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ISP & Telecom Directory · United States

US Telecom & VoIP Providers Starting With Z

Legal contact details for the 69 active FCC Form 499 filers whose legal name begins with the letter Z: the agent designated to receive subpoenas and court orders, headquarters address, customer-inquiries line, trade names and states served. FCC data as of August 2026; verify against the FCC’s live record before serving.

Showing 1–60 of 69 entries

Z3N, LLC

Interconnected Voip

Also known as: Lyons Communications

Agent for service of process
Paul Hudson, Davis Wright Tremaine LLP, 1919 Pennsylvania Ave NW, Washington, DC, 20006
Agent phone / fax
(202) 973-4275 · fax (202) 973-4475
Headquarters
PO Box 2679, Lyons, CO, 80540
Customer inquiries
(303) 823-2313
Holding company
—
States served (1)
Colorado
FCC 499 Filer ID
834304
Last filing
4/1/2026

Zach Rodgers, LLC

Interconnected Voip

Also known as: Revolt Voice

Agent for service of process
Zach Rodgers, C T Corporation System, 1015 15th Street, NW, Suite 1000, Washington, DC, 20005
Agent phone / fax
(888) 724-6928
Headquarters
98 North Broad St, Winder, GA, 30680
Customer inquiries
(706) 510-0070
Holding company
—
States served (1)
Georgia
FCC 499 Filer ID
833035
Last filing
4/1/2026

Zach the Tech LLC

Interconnected Voip

Also known as: Top Grade Tech

Agent for service of process
Excelera, Inc, 1775 I Street, Suite 1150, Washington, DC, 20006
Agent phone / fax
(943) 888-0078 · fax (678) 681-7580
Headquarters
2001 Oakshire Lane, Suite C, Pueblo, CO, 81001
Customer inquiries
(855) 947-0067
Holding company
—
States served (1)
Colorado
FCC 499 Filer ID
838587
Last filing
4/1/2026

Zanarkand LLC

Interconnected Voip
Agent for service of process
Bill Havre, Registered Agents Inc, 1717 N Street NW, Suite 1, Washington, DC, 20036
Agent phone / fax
(307) 200-2803 · fax (855) 330-1010
Headquarters
3588 Highway 138 SE, Suite 349, Stockbridge, GA, 30281
Customer inquiries
(678) 379-2933
Holding company
—
States served (1)
Georgia
FCC 499 Filer ID
831666
Last filing
4/1/2026

Zangar Enterprises, LLC

Local Reseller
Agent for service of process
Registered Agent, Washington DC Registered Agent LLC, 1717 North St. NW. Suite one, Washington, DC, 20036
Agent phone / fax
(202) 403-0599
Headquarters
1134 East 900 South #8, St. George, UT, 84790
Customer inquiries
(801) 893-4120
Holding company
—
States served (1)
Utah
FCC 499 Filer ID
838482
Last filing
4/1/2026

ZAP SYSTEMS LLC

Interconnected Voip

Also known as: ZAP SYSTEMS

Agent for service of process
NAT SMITH, Northwest Registered Agent LLC, 1717 N Street NW #1, Washington, DC, 20036
Agent phone / fax
(509) 768-2249
Headquarters
418 BROADWAY, STE N, ALBANY, NY, 12207
Customer inquiries
(406) 253-4356
Holding company
—
States served (59)
Alabama, Alaska, American Samoa, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, District of Columbia, Florida, Georgia, Guam, Hawaii, Idaho, Illinois, Indiana, Iowa, Johnston Atoll, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Midway Atoll, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Northern Mariana Islands, Ohio, Oklahoma, Oregon, Pennsylvania, Puerto Rico, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, US Virgin Islands, Vermont, Virginia, Wake Island, Washington, West Virginia, Wisconsin, Wyoming
FCC 499 Filer ID
839061
Last filing
4/1/2026

Zayo Canada Inc.

Private Service Provider

Also known as: Allstream, MTS, MTS Allstream

Agent for service of process
Corporation Service Company, 1090 Vermont Ave, NW, Washington, DC, 20005
Agent phone / fax
(888) 690-2882
Headquarters
1401 Wynkoop Street, Suite 500, Denver, CO, 80202
Customer inquiries
(888) 288-2273
Holding company
Front Range Intermediate Holdings, Inc.
States served (30)
Arizona, California, Colorado, Connecticut, District of Columbia, Florida, Georgia, Illinois, Maryland, Massachusetts, Michigan, Minnesota, Missouri, Nebraska, Nevada, New Jersey, New York, North Carolina, Ohio, Oklahoma, Oregon, Pennsylvania, South Dakota, Tennessee, Texas, Utah, Virginia, Washington, West Virginia, Wyoming
FCC 499 Filer ID
829179
Last filing
4/1/2026

Zayo Education Inc.

Interconnected Voip

Also known as: Education Networks of America, Inc., ENA

Agent for service of process
Patricia Cave, Morgan, Lewis & Brockius LLP, 1111 Pennsylvania Ave., NW, Washington, DC, 20004
Agent phone / fax
(202) 739-3000
Headquarters
1401 Wynkoop Street, Ste 500, Denver, CO, 80202
Customer inquiries
(866) 615-1101
Holding company
—
States served (27)
Alabama, Arizona, Arkansas, California, Colorado, Florida, Georgia, Idaho, Illinois, Indiana, Maine, Maryland, Massachusetts, Mississippi, New Hampshire, New Mexico, North Carolina, Ohio, Oklahoma, Pennsylvania, South Dakota, Tennessee, Texas, Vermont, Virginia, Washington, Wisconsin
FCC 499 Filer ID
826269
Last filing
4/1/2026

Zayo Education LLC

Interconnected Voip

Also known as: ENA Services, LLC., Education Network of America, ENA

Agent for service of process
Patricia Cave, Morgan, Lewis & Bockius LLP, 1111 Pennsylvania Ave., NW, Washington, DC, 20004
Agent phone / fax
(202) 739-3000
Headquarters
1401 Wynkoop Street, Ste 500, Denver, CO, 80202
Customer inquiries
(866) 615-1101
Holding company
Zayo Education, INC
States served (27)
Alabama, Arizona, Arkansas, California, Colorado, Florida, Georgia, Idaho, Illinois, Indiana, Maine, Maryland, Massachusetts, Mississippi, New Hampshire, New Mexico, North Carolina, Ohio, Oklahoma, Pennsylvania, South Dakota, Tennessee, Texas, Vermont, Virginia, Washington, Wisconsin
FCC 499 Filer ID
825935
Last filing
4/1/2026

Zayo Global Reach US, LLC

Private Service Provider
Agent for service of process
Corporation Service, Corporation Service Company, 1090 Vermont Avenue N.W., Washington, DC, 20005
Agent phone / fax
(888) 690-8228
Headquarters
1401 Wynkoop St., Suite 500, Denver, CO, 80202
Customer inquiries
(866) 364-6033
Holding company
FR TopCo LLC
States served (14)
California, Connecticut, District of Columbia, Georgia, Illinois, Massachusetts, New Jersey, New York, Ohio, Oregon, Pennsylvania, Texas, Virginia, Washington
FCC 499 Filer ID
837113
Last filing
4/1/2026

Zayo Group, LLC

Private Service Provider

Also known as: Zayo Bandwidth, LLC, Allstream, Electric Lightwave, LLC

Agent for service of process
Corporation Service, Corporate Service Company, 1090 Vermont Avenue N.W., Washington, DC, 20005
Agent phone / fax
(888) 690-2882
Headquarters
1401 Wynkoop Street, Suite 500, Denver, CO, 80202
Customer inquiries
(866) 364-6033
Holding company
Front Range Intermediate Holdings, Inc.
States served (51)
Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, District of Columbia, Florida, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming
FCC 499 Filer ID
828965
Last filing
4/1/2026

Zayo Network Services, LLC

Private Service Provider
Agent for service of process
Corporation Service, Corporate Service Company, 1090 Vermont Avenue N.W., Washington, DC, 20005
Agent phone / fax
(888) 690-2882
Headquarters
1401 Wynkoop St., Suite 500, Denver, CO, 80202
Customer inquiries
(866) 364-6033
Holding company
Front Range Intermediate Holdings, Inc.
States served (50)
Alabama, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, District of Columbia, Florida, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming
FCC 499 Filer ID
837932
Last filing
4/1/2026

Zayo Professional Services, LLC

Private Service Provider
Agent for service of process
Corporation Team, CT Corporation, 1015 15h St. NW Ste 100, Washington, DC, 20005
Agent phone / fax
(202) 393-1747
Headquarters
1401 Wynkoop Street, Ste 500, Denver, CO, 80202
Customer inquiries
(866) 364-6033
Holding company
Front Range Intermediate Holdings, Inc.
States served (26)
Arizona, California, Colorado, District of Columbia, Florida, Georgia, Hawaii, Illinois, Indiana, Maryland, Massachusetts, Minnesota, Missouri, Nevada, New Jersey, New Mexico, New York, North Carolina, Ohio, Oregon, Pennsylvania, Tennessee, Texas, Utah, Virginia, Washington
FCC 499 Filer ID
832031
Last filing
4/1/2026

Zefcom, LLC

Cellular/PCS/SMR

Also known as: Telispire PCS, Telispire

Agent for service of process
Corporation Service Company, 1156 15th St NW, Suite 605, Washington, DC, 20005
Agent phone / fax
(202) 371-8090 · fax (202) 371-1945
Headquarters
4245 Kemp Blvd Ste 120, Wichita Falls, TX, 76308
Customer inquiries
(800) 564-6189
Holding company
—
States served (50)
Alabama, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, District of Columbia, Florida, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming
FCC 499 Filer ID
821908
Last filing
4/1/2026

Zella Technologies, LLC.

Interconnected Voip
Agent for service of process
Orvin Moore, CliftonLarsonAllen LLP, 1025 Connecticut Avenue N.W., Suite 712, Washington, DC, 20036
Agent phone / fax
(678) 203-0271 · fax (404) 262-3271
Headquarters
PO BOX 25, Loranger, LA, 70446
Customer inquiries
(985) 520-4824
Holding company
—
States served (6)
Arkansas, Florida, Louisiana, Minnesota, Mississippi, Tennessee
FCC 499 Filer ID
831380
Last filing
4/1/2026

Zellius Telecommunications Inc.

Interconnected Voip

Also known as: Zellius Telecommunications Inc

Agent for service of process
Corp Assist LLC, 1090 Vermont Avenue NW, Suite 910, Washington, DC, 20005
Agent phone / fax
(800) 438-2996
Headquarters
1578 Calle Bori, San Juan, PR, 00927
Customer inquiries
(787) 302-0101
Holding company
ZELLIUS TELECOMMUNICATIONS INC
States served (1)
Puerto Rico
FCC 499 Filer ID
828870
Last filing
4/1/2026

Zen Communications, LLC

Interconnected Voip
Agent for service of process
Jonathan Marashlian, The Commpliance Group, Inc., 1025 Connecticut Avenue, N.W., Suite 712, Washington, DC, 20036
Agent phone / fax
(703) 714-1302 · fax (703) 563-6222
Headquarters
548 Market Street, Suite 39254, San Francisco, CA, 94104
Customer inquiries
(269) 420-0248
Holding company
—
States served (8)
California, Colorado, Idaho, Michigan, Nevada, New Mexico, Texas, Utah
FCC 499 Filer ID
830411
Last filing
4/1/2026

Zenda Tel. Co. Inc.

Incumbent LEC

Also known as: Zenda Telephone Company, Inc.

Agent for service of process
Benjamin Dickens, Blooston, Mordkofsky, Dickens, & Prendergast, 2120 L Street, NW, SUITE 825, Washington, DC, 20037
Agent phone / fax
(202) 659-0830 · fax (202) 828-5568
Headquarters
208 North Main, Zenda, KS, 67159-0128
Customer inquiries
(620) 243-5531
Holding company
TELATLANTIC COMMUNICATIONS INC
States served (1)
Kansas
FCC 499 Filer ID
801609
Last filing
4/1/2026

Zenfi Networks LLC

CAP/CLEC

Also known as: Boldyn Networks Infrastructure US LLC

Agent for service of process
William Mosca, Bevan, Mosca & Giuditta, P.C., 1629 K Street NW, Suite 300, Washington, DC, 20006
Agent phone / fax
(908) 753-8300 · fax (908) 753-8301
Headquarters
1400 Broadway, 17th Floor, New York, NY, 10018
Customer inquiries
(949) 403-5003
Holding company
—
States served (2)
New Jersey, New York
FCC 499 Filer ID
833784
Last filing
4/1/2026

ZENITH VOIP LLC

Interconnected Voip
Agent for service of process
Registered Agents Inc, 1717 N Street NW STE 1, Washington, DC, 20036
Agent phone / fax
(850) 583-6000
Headquarters
4407 SAN MATEO BLVD NE, ALBUQUERQUE, NM, 87109
Customer inquiries
(202) 977-2939
Holding company
—
States served (1)
New Mexico
FCC 499 Filer ID
837786
Last filing
4/1/2026

Zenlayer Inc

Private Service Provider
Agent for service of process
Christopher Canter, The Commpliance Group, Inc., 1300 I Street, NW, Suite 400E, Washington, DC, 20005
Agent phone / fax
(877) 435-3461 · fax (703) 563-6222
Headquarters
21700 Copley Dr, Suite 350, Diamond Bar, CA, 91765
Customer inquiries
(909) 718-3558
Holding company
—
States served (1)
California
FCC 499 Filer ID
832278
Last filing
4/1/2026

ZenRelay LLC

Interconnected Voip
Agent for service of process
Registered Agents Inc, Registered Agents Inc, 1717 N Street NW STE 1, Washington, DC, 20036
Agent phone / fax
(307) 200-2803
Headquarters
4539 N 22ND ST #4106, PHOENIX, AZ, 85016
Customer inquiries
(928) 374-3552
Holding company
—
States served (1)
Arkansas
FCC 499 Filer ID
839041
Last filing
4/1/2026

Zentage Communications LLC

Private Service Provider
Agent for service of process
Telecom Compliance, 712 H St NE, Ste 1735, Washington, DC, 20002
Agent phone / fax
(786) 328-0700
Headquarters
1603 Capitol Avenue, Suite 413A 2971, Cheyenne, WY, 82001
Customer inquiries
(307) 222-4845
Holding company
—
States served (1)
Wyoming
FCC 499 Filer ID
836821
Last filing
4/1/2026

Zentro Internet, LLC

Interconnected Voip
Agent for service of process
Corporation Service Company, 1156 15th St NW, suite 605, Washington, DC, 20005
Agent phone / fax
(888) 690-2882
Headquarters
420 N. May St., Chicago, IL, 60642
Customer inquiries
(877) 936-8761
Holding company
Bel Air Internet, LLC
States served (6)
California, Colorado, Florida, Illinois, Nevada, Virginia
FCC 499 Filer ID
839179
Last filing
4/1/2026

Zenvyte LLC

Interconnected Voip
Agent for service of process
Washington DC Registered Agent, Washington DC Registered Agent LLC, 1717 N Street NW STE 1, Washington, DC, 20036
Agent phone / fax
(202) 403-0599
Headquarters
4539 N 22ND ST #6483, Phoenix, AZ, 85016
Customer inquiries
(623) 383-6622
Holding company
—
States served (1)
Arkansas
FCC 499 Filer ID
838714
Last filing
4/1/2026

ZeroTime Network LLC

Interconnected Voip
Agent for service of process
Northwest Registered Agent Service Inc., 1717 N Street NW,, Suite 1, Washington, DC, 20036
Agent phone / fax
(509) 768-2249
Headquarters
8 The Green, STE B, Dover, DE, 19901
Customer inquiries
(737) 282-8020
Holding company
—
States served (59)
Alabama, Alaska, American Samoa, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, District of Columbia, Florida, Georgia, Guam, Hawaii, Idaho, Illinois, Indiana, Iowa, Johnston Atoll, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Midway Atoll, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Northern Mariana Islands, Ohio, Oklahoma, Oregon, Pennsylvania, Puerto Rico, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, US Virgin Islands, Vermont, Virginia, Wake Island, Washington, West Virginia, Wisconsin, Wyoming
FCC 499 Filer ID
837987
Last filing
4/1/2026

ZEROWIRE WHOLESALE LLC

Interconnected Voip

Also known as: 0wire Wholesale

Agent for service of process
Harbor Compliance, 1717 N Street NW, Suite 1, Washington, DC, 20036
Agent phone / fax
(888) 995-5895
Headquarters
401 E 34TH ST, APT N27J, New York, NY, 10016
Customer inquiries
(212) 796-5500
Holding company
—
States served (1)
New York
FCC 499 Filer ID
837612
Last filing
4/1/2025

ZETEXA GLOBAL CORPORATION

Cellular/PCS/SMR
Agent for service of process
Incorp Services, Inc., 1100 H Street, N.W., Ste. 840, Washington, DC, 20005
Agent phone / fax
(800) 246-2677 · fax (702) 866-2689
Headquarters
8 The Green, Ste R, Dover, DE, 19901
Customer inquiries
(724) 769-8482
Holding company
ZETEXA GLOBAL INDIA PRIVATE LIMITED
States served (9)
Arkansas, Delaware, Florida, Illinois, Michigan, New York, Ohio, Pennsylvania, Texas
FCC 499 Filer ID
836824
Last filing
4/1/2026

ZetoTech LLC

Interconnected Voip

Also known as: ZetoTech

Agent for service of process
Registered Agent, Registered Agents Inc., 1717 N Street NW, STE 1, Washington, DC, 20036
Agent phone / fax
(202) 403-0599 · fax (202) 403-0599
Headquarters
80 S Forbes, East Palestine, OH, 44413
Customer inquiries
(330) 533-0293
Holding company
—
States served (1)
Ohio
FCC 499 Filer ID
837464
Last filing
4/1/2026

ZettaLync, LLC

Interconnected Voip

Also known as: ZettaLync LLC

Agent for service of process
Joe Solana, CliftonLarsonAllen, LLP, 1025 Vermont Ave. NW, Suite 1130, Washington, DC, 20005
Agent phone / fax
(833) 447-2829 · fax (678) 487-8808
Headquarters
P.O. Box 658, Frisco, TX, 75034
Customer inquiries
(888) 221-0277
Holding company
—
States served (1)
Texas
FCC 499 Filer ID
833037
Last filing
4/1/2026

Zeus Communications South, LLC

Interconnected Voip

Also known as: Zeuscomm1

Agent for service of process
Van Tracy, Corporation Service Company, 1090 Vermont Avenue N.W., Washington, DC, 20005
Agent phone / fax
(202) 371-8090 · fax (202) 371-1945
Headquarters
999 Meridian Road, Crossville, TN, 38555-6936
Customer inquiries
(352) 552-6091
Holding company
—
States served (4)
Massachusetts, New York, Ohio, Tennessee
FCC 499 Filer ID
833402
Last filing
4/1/2026

Zeus Telecommunications, LLC.

Toll Reseller
Agent for service of process
Corporate Creations Network, Inc, 1629 K Steet, NW #300, Washington, DC, 20006
Agent phone / fax
(202) 558-5443
Headquarters
3213 W. MAIN STREET, UNIT 457, RAPID CITY, SD, 57702
Customer inquiries
(214) 504-4994
Holding company
—
States served (1)
Texas
FCC 499 Filer ID
826081
Last filing
4/1/2026

Zidra LLC

Local Reseller
Agent for service of process
n/a, n/a, Washington, DC, 00000
Agent phone / fax
(000) 000-0000
Headquarters
2155 Palm Bay RD, Suite 8, Palm Bay, FL, 32905
Customer inquiries
(321) 209-4560
Holding company
—
States served (1)
Florida
FCC 499 Filer ID
838115
Last filing
4/1/2025

ZINNIA NETWORKS INC

CAP/CLEC

Also known as: Matrix Broadband, CalDSL

Agent for service of process
Satyanarayana Jasty, ZINNIA NETWORKS INC, Registered Agents Inc, 1717 N Street NW, STE 1, Washington, DC, 20036
Agent phone / fax
(209) 200-8416 · fax (209) 800-8834
Headquarters
1660 W Linne Road, Suite H, Tracy, CA, 95377
Customer inquiries
(209) 832-4420
Holding company
—
States served (1)
California
FCC 499 Filer ID
835064
Last filing
4/1/2026

Zion Broadband Inc

Interconnected Voip
Agent for service of process
Registered Agents Inc., 1717 N Street NW, STE 1, Washington, DC, 20036
Agent phone / fax
(307) 200-2803
Headquarters
1300 Hobbs Hwy, Seminole, TX, 79360
Customer inquiries
(432) 758-0900
Holding company
—
States served (1)
Texas
FCC 499 Filer ID
834208
Last filing
4/1/2026

Zip Conferencing, Inc.

Private Service Provider

Also known as: Zip Conferencing Inc

Agent for service of process
Not listed, Washington, DC
Agent phone / fax
Not listed
Agent email
Not listed
Headquarters
99 Pleasant Valley Road, Amesbury, MA, 01913
Customer inquiries
(866) 205-6977
Holding company
—
States served (51)
Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, District of Columbia, Florida, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming
FCC 499 Filer ID
827596
Last filing
4/1/2026

ZipCrunch, Inc.

Interconnected Voip
Agent for service of process
Christian Lovelace, Lippes, Mathias Wexler Friedman LLP, 1900 K St., NW, Suite 730, Washington, DC, 20006
Agent phone / fax
(716) 853-5100 · fax (716) 853-5199
Headquarters
P.O. Box 3399, Buffalo, NY, 14240
Customer inquiries
(716) 202-2909
Holding company
Vaspian, Inc.
States served (11)
California, Florida, Georgia, New Jersey, New Mexico, New York, North Carolina, Pennsylvania, Tennessee, Virginia, Washington
FCC 499 Filer ID
837469
Last filing
4/1/2026

ZipDX LLC.

Audio Bridge Service

Also known as: ZIPDX LLC

Agent for service of process
Not listed, Washington, DC
Agent phone / fax
Not listed
Agent email
Not listed
Headquarters
2094 W. Entrada Trl, Saint George, UT, 84770
Customer inquiries
(888) 947-3955
Holding company
—
States served (53)
Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, District of Columbia, Florida, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Puerto Rico, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, US Virgin Islands, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming
FCC 499 Filer ID
827302
Last filing
4/1/2026

Ziply Fiber Pacific LLC

Interconnected Voip

Also known as: Ziply Fiber Pacific

Agent for service of process
Corporation Service Company, 1090 Vermont Avenue NW, Washington, DC, 20005
Agent phone / fax
(800) 927-9800
Headquarters
135 Lake Street South, Suite 155, Kirkland, WA, 98033
Customer inquiries
(866) 699-4759
Holding company
Northwest Fiber, LLC
States served (4)
Idaho, Montana, Oregon, Washington
FCC 499 Filer ID
835982
Last filing
4/1/2026

Ziply Wireless LLC

Interconnected Voip

Also known as: Ziply Wireless

Agent for service of process
Corporation Service Company, 1090 Vermont Avenue NW, Washington, DC, 20005
Agent phone / fax
(800) 927-9800
Headquarters
135 Lake Street South, Suite 155, Kirkland, WA, 98033
Customer inquiries
(866) 699-4759
Holding company
Northwest Fiber, LLC
States served (2)
Oregon, Washington
FCC 499 Filer ID
835983
Last filing
4/1/2026

Zippy Tech Inc.

Interconnected Voip

Also known as: Cedar Networks, Mydurango.net

Agent for service of process
Corporation Service Company, 1156 15th St NW, Suite 605, Washington, DC, 20005
Agent phone / fax
(202) 371-8090 · fax (202) 371-1945
Headquarters
10 Town Plaza #152, Durango, CO, 81301
Customer inquiries
(970) 385-2500
Holding company
Ting, Inc.
States served (2)
Colorado, New Mexico
FCC 499 Filer ID
825500
Last filing
4/1/2026

ZIRKEL Wireless, LLC

Interconnected Voip

Also known as: ZIRKEL, ZIRKEL Internet

Agent for service of process
Corporation Service Company, 1156 15th St NW, Suite 605, Washington, DC, 20005
Agent phone / fax
(202) 408-3121 · fax (202) 408-3141
Headquarters
1856 Kamar Plaza, Steamboat Springs, CO, 80487
Customer inquiries
(970) 871-8500
Holding company
—
States served (1)
Colorado
FCC 499 Filer ID
833617
Last filing
4/1/2026

ZIRNET LLC

Interconnected Voip
Agent for service of process
URS AGENTS INC., 100 H Street NW, Washington, DC, 20005
Agent phone / fax
(402) 525-6785
Headquarters
201 Cow Neck Rd, PORT WASHINGTON, NY, 11050
Customer inquiries
(866) 947-6381
Holding company
—
States served (1)
New York
FCC 499 Filer ID
832274
Last filing
4/1/2026

Zito Media Voice LLC.

Interconnected Voip

Also known as: Zito Media

Agent for service of process
Cherie Kiser, Cahill Gordon & Reindel LLP, 1990 K Street, NW, Washington, DC, 20006
Agent phone / fax
(202) 862-8950 · fax (866) 255-0185
Headquarters
102 South Main Street, Coudersport, PA, 16915
Customer inquiries
(866) 879-6235
Holding company
ZITO MEDIA LP
States served (1)
Pennsylvania
FCC 499 Filer ID
826202
Last filing
4/1/2026

Ziva Telecom LLC

Interconnected Voip

Also known as: Ziva Telecom

Agent for service of process
Registered Agents Inc, Washington Commercial Registered Agent, 100 N HOWARD ST, STE R,, Spokane, Washington, DC, 99201
Agent phone / fax
(360) 252-9551
Headquarters
7901 4th St N Ste 300, St Petersburg, FL, 33702
Customer inquiries
(215) 999-2343
Holding company
—
States served (1)
Florida
FCC 499 Filer ID
837419
Last filing
4/1/2026

ZMZ NETWORKS LLC

Interconnected Voip
Agent for service of process
Farrukh Mateen, Registered Agents Inc, 1717 N Street NW STE 1, Washington, DC, 20036
Agent phone / fax
(251) 901-5232
Headquarters
1001 S. MAIN STREET, STE 600, KALISPELL, MT, 59901
Customer inquiries
(251) 901-5232
Holding company
—
States served (12)
California, Delaware, Florida, Illinois, Montana, Nevada, New Jersey, New Mexico, New York, Oklahoma, Texas, Wyoming
FCC 499 Filer ID
837774
Last filing
4/1/2026

Zoho Corporation

Interconnected Voip
Agent for service of process
Jonathan Marashlian, The Commpliance Group, Inc., 1300 I Street, NW, Suite 400E, Washington, DC, 20005
Agent phone / fax
(877) 435-3461 · fax (703) 563-6222
Headquarters
4141 Hacienda Drive, Pleasanton, CA, 94588
Customer inquiries
(408) 916-9887
Holding company
—
States served (52)
Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, District of Columbia, Florida, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Puerto Rico, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming
FCC 499 Filer ID
833132
Last filing
4/1/2025

ZOHO CORPORATION

Interconnected Voip
Agent for service of process
Jonathan Marashlian, The Commpliance Group, Inc., 1300 I Street, NW, Suite 400E, Washington, DC, 20005
Agent phone / fax
(703) 714-1302 · fax (703) 563-6222
Headquarters
4141 Hacienda Drive, Pleasanton, CA, 94588
Customer inquiries
(925) 924-9500
Holding company
—
States served (52)
Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, District of Columbia, Florida, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Puerto Rico, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming
FCC 499 Filer ID
837276
Last filing
4/1/2026

Zoiko Communications Group Inc

Operator Service Provider

Also known as: Sable Mobile, Sable Moblie, Raices Mobile, Zocial Mobile, HavenZ Mobile, Avivo Mobile, EverGuard Mobile

Agent for service of process
Annett Anderson, Registered Agents Inc., 1717 N Street NW, Suite 1, Washington, DC, 20036
Agent phone / fax
(202) 403-0599
Headquarters
8 The Green, Suite A, Dover, DE, 19901
Customer inquiries
(800) 484-5574
Holding company
Zoiko Group Inc
States served (59)
Alabama, Alaska, American Samoa, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, District of Columbia, Florida, Georgia, Guam, Hawaii, Idaho, Illinois, Indiana, Iowa, Johnston Atoll, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Midway Atoll, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Northern Mariana Islands, Ohio, Oklahoma, Oregon, Pennsylvania, Puerto Rico, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, US Virgin Islands, Vermont, Virginia, Wake Island, Washington, West Virginia, Wisconsin, Wyoming
FCC 499 Filer ID
838052
Last filing
4/1/2026

Zoiko Mobile Inc.

Cellular/PCS/SMR

Also known as: Zoiko Telecom Inc., Zoiko Mobile

Agent for service of process
Anna Sullivan, Registered Agents Inc., 1717 N Street NW, Suite 1, Washington, DC, 20036
Agent phone / fax
(307) 200-2803
Headquarters
5900 Balcones Drive, Suite 100, Austin, TX, 78731
Customer inquiries
(737) 497-0287
Holding company
—
States served (59)
Alabama, Alaska, American Samoa, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, District of Columbia, Florida, Georgia, Guam, Hawaii, Idaho, Illinois, Indiana, Iowa, Johnston Atoll, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Midway Atoll, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Northern Mariana Islands, Ohio, Oklahoma, Oregon, Pennsylvania, Puerto Rico, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, US Virgin Islands, Vermont, Virginia, Wake Island, Washington, West Virginia, Wisconsin, Wyoming
FCC 499 Filer ID
836944
Last filing
4/1/2026

ZOLEO USA Inc.

Satellite Service Provider

Also known as: ZOLEO

Agent for service of process
Corporation Service Company, 1156 15th St NW, Ste 605, Washington, DC, 20005
Agent phone / fax
Not listed
Agent email
Not listed
Headquarters
4746 44TH Ave SW, Ste 201, Seattle, WA, 98116
Customer inquiries
(888) 602-1134
Holding company
—
States served (47)
Alabama, Alaska, Arizona, Arkansas, Colorado, Connecticut, Delaware, District of Columbia, Florida, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Minnesota, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Dakota, Northern Mariana Islands, Ohio, Oklahoma, Oregon, Pennsylvania, Puerto Rico, Rhode Island, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wyoming
FCC 499 Filer ID
835502
Last filing
4/1/2026

Zonatel LLC

Interconnected Voip
Agent for service of process
Bill Havre, Registered Agents Inc, 1717 N Street NW, Suite 1, Washington, DC, 20036
Agent phone / fax
(202) 403-0599
Headquarters
Ave Manuel Domenech #220 PMB 342, San Juan, PR, 00918
Customer inquiries
(787) 710-7110
Holding company
—
States served (1)
Puerto Rico
FCC 499 Filer ID
835381
Last filing
4/1/2026

ZONITEL SOLUTIONS LLC

Interconnected Voip
Agent for service of process
Registered Agents Inc, 1717 N Street NW, STE 1, Washington, DC, 20036
Agent phone / fax
(202) 403-0599
Headquarters
14521 Old Katy Rd, Suite 220, Houston, TX, 77079
Customer inquiries
(833) 966-4835
Holding company
—
States served (59)
Alabama, Alaska, American Samoa, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, District of Columbia, Florida, Georgia, Guam, Hawaii, Idaho, Illinois, Indiana, Iowa, Johnston Atoll, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Midway Atoll, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Northern Mariana Islands, Ohio, Oklahoma, Oregon, Pennsylvania, Puerto Rico, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, US Virgin Islands, Vermont, Virginia, Wake Island, Washington, West Virginia, Wisconsin, Wyoming
FCC 499 Filer ID
837854
Last filing
4/1/2026

ZONOVUM, INC.

Wireless Data
Agent for service of process
Corporation Service Company, Corporation Service Company, 1090 Vermont Avenue N.W., Washington, DC, 20005
Agent phone / fax
(800) 927-9800 · fax (302) 636-5454
Headquarters
275 Grand St., New York, NY, 10002
Customer inquiries
(212) 680-0112
Holding company
—
States served (1)
New York
FCC 499 Filer ID
836705
Last filing
4/1/2026

Zoom Networks, LLC

Interconnected Voip
Agent for service of process
David Roberts, Registered Agents Inc., 1717 N Street NW, STE 1, Washington, DC, 20036
Agent phone / fax
(202) 403-0599
Headquarters
3 Central Plaza #428, Rome, GA, 30161
Customer inquiries
(706) 225-9357
Holding company
—
States served (1)
Georgia
FCC 499 Filer ID
836399
Last filing
4/1/2025

Zoom Online Group LLC

Interconnected Voip

Also known as: Zoom Online

Agent for service of process
InCorp Services, Inc., 1100 H Street, NW, Suite 840, Washington, DC, 20005
Agent phone / fax
(800) 246-2677
Headquarters
500 North Akard, Ross Towers, Suite 3475, Dallas, TX, 75201
Customer inquiries
(602) 576-5150
Holding company
—
States served (3)
Arizona, Texas, Wyoming
FCC 499 Filer ID
836629
Last filing
4/1/2026

Zoom Telcom, LLC

Wireless Data
Agent for service of process
Corporation Service Company, 1156 15th St NW, Suite 605, Washington, DC, 20005
Agent phone / fax
(202) 371-8090 · fax (202) 371-1945
Headquarters
727 Woodline Dr, Sandersville, GA, 31082
Customer inquiries
(478) 412-0501
Holding company
—
States served (1)
Georgia
FCC 499 Filer ID
830554
Last filing
4/1/2026

Zoom Voice Communications, Inc.

Interconnected Voip

Also known as: Zoom

Agent for service of process
Corporation Service Company, 1090 Vermont Ave., N.W., Washington, DC, 20005
Agent phone / fax
(888) 690-2882
Headquarters
55 Almaden Blvd., Suite 600, San Jose, CA, 95113
Customer inquiries
(888) 799-9666
Holding company
Zoom Communications, Inc.
States served (59)
Alabama, Alaska, American Samoa, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, District of Columbia, Florida, Georgia, Guam, Hawaii, Idaho, Illinois, Indiana, Iowa, Johnston Atoll, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Midway Atoll, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Northern Mariana Islands, Ohio, Oklahoma, Oregon, Pennsylvania, Puerto Rico, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, US Virgin Islands, Vermont, Virginia, Wake Island, Washington, West Virginia, Wisconsin, Wyoming
FCC 499 Filer ID
832738
Last filing
4/1/2026

Zoomtel LLC

Interconnected Voip

Also known as: Zoomtel

Agent for service of process
Washington DC Registered Agent LLC, 1150 Connecticut Ave, STE NW 900, Washington, DC, 20036
Agent phone / fax
(202) 403-0599
Headquarters
17011 N Bay Rd, suite 606, Sunny Isles beach, FL, 33160
Customer inquiries
(305) 300-0119
Holding company
—
States served (2)
Florida, New York
FCC 499 Filer ID
832687
Last filing
4/1/2025

Zoto Dialer LLC

Private Service Provider
Agent for service of process
Not listed
Agent phone / fax
Not listed
Agent email
Not listed
Headquarters
30 N Gould St Ste R, Sheridan, Sheridan, WY, 82801
Customer inquiries
(724) 234-5043
Holding company
—
States served (1)
Wyoming
FCC 499 Filer ID
838011
Last filing
4/1/2025

Zray Technologies Corporation

Interconnected Voip

Also known as: Ztelco

Agent for service of process
Kris Twomey, LOKT, 1725 I Street, NW, Suite 300, Washington, DC, 20006
Agent phone / fax
(202) 681-1850 · fax (202) 517-9175
Headquarters
12585 Kirkham Ct, Poway, CA, 92064
Customer inquiries
(866) 349-4837
Holding company
—
States served (1)
California
FCC 499 Filer ID
829235
Last filing
4/1/2025

Ztar Mobile, Inc.

Cellular/PCS/SMR
Agent for service of process
Corporation Service Company, 1090 Vermont Ave NW, Washington, DC, 20005
Agent phone / fax
(866) 403-5272
Headquarters
P.O. Box 132639, Dallas, TX, 75313
Customer inquiries
(214) 231-0103
Holding company
—
States served (53)
Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, District of Columbia, Florida, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Puerto Rico, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, US Virgin Islands, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming
FCC 499 Filer ID
825024
Last filing
4/1/2025

Zultys, Inc.

Interconnected Voip

Also known as: Zultys Inc

Agent for service of process
CT Corporation, 1015 15th Street, NW, Washington, DC, 20005
Agent phone / fax
(202) 572-3111 · fax (202) 572-9633
Headquarters
785 Lucerne Dr, Sunnyvale, CA, 94085
Customer inquiries
(408) 328-0450
Holding company
—
States served (51)
Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, District of Columbia, Florida, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming
FCC 499 Filer ID
830478
Last filing
4/1/2026

Zuma Internet, Inc

Operator Service Provider

Also known as: Zuma Internet

Agent for service of process
David Williams, Zuma Internet, Washington, DC, 30327
Agent phone / fax
(224) 407-6844
Headquarters
1068 Moores Mill Rd NW, Atlanta, GA, 30327
Customer inquiries
(888) 986-2669
Holding company
—
States served (1)
Minnesota
FCC 499 Filer ID
837865
Last filing
4/1/2026

Zumbrota Tel. Co.

Incumbent LEC

Also known as: Zumbrota Telephone Company

Agent for service of process
Gerard Duffy, Blooston, Mordkofsky, Dickens & Prendergast, LLP, Blooston, Mordkofsky, Dickens & Prendergast LLP, 2120 L St NW, Suite 825, Washington, DC, 20037
Agent phone / fax
(202) 659-0830 · fax (202) 828-5568
Headquarters
1104 19th Ave SW, Suite B, Willmar, MN, 56201
Customer inquiries
(507) 732-5103
Holding company
HANSON COMMUNICATIONS INC
States served (1)
Minnesota
FCC 499 Filer ID
807117
Last filing
4/1/2026

ZXEER LLC

Toll Reseller
Agent for service of process
Registered Agents Inc., 1717 N Street NW, Suite 1, Washington, DC, 20036
Agent phone / fax
(530) 232-5985
Headquarters
505 Montgomery St., FL 10, San Francisco, CA, 94111
Customer inquiries
(415) 338-9200
Holding company
—
States served (1)
California
FCC 499 Filer ID
834905
Last filing
4/1/2026

Zyfexx, Inc.

Interconnected Voip
Agent for service of process
Washington DC Registered Agent LLC, 1717 N Street NW STE 1, Washington, DC, 20036
Agent phone / fax
(202) 403-0599
Headquarters
470 W Broad St, Suite 1063, Columbus, OH, 43215
Customer inquiries
(740) 456-0839
Holding company
—
States served (1)
Ohio
FCC 499 Filer ID
837349
Last filing
4/1/2026

Zyis Digital

Interconnected Voip

Also known as: Full Circle MSP

Agent for service of process
Registered Agents Inc, Registered Agents Inc, 1717 N Street NW, Suite 1, Washington, DC, 20036
Agent phone / fax
(307) 200-2803
Headquarters
3349 N University Dr, suite 6, Hollywood, FL, 33024
Customer inquiries
(954) 280-8324
Holding company
—
States served (1)
Florida
FCC 499 Filer ID
838725
Last filing
4/1/2026

Zypath LLC

Local Reseller
Agent for service of process
Registered Agents Inc., 1717 N Street NW, STE 1, Washington, DC, 20036
Agent phone / fax
(202) 403-0599
Headquarters
3506 VIOLET CT, WILMINGTON, NC, 28409
Customer inquiries
(910) 795-6252
Holding company
—
States served (1)
North Carolina
FCC 499 Filer ID
836989
Last filing
4/1/2026

Independent reference compiled from the public FCC Form 499 Filer Database for study and investigative use. Ministry of Cyber Affairs is not a government body and does not represent any listed provider. See the US directory overview for how to use the agent for service of process, and the directory hub for other countries.