NTCI Carrier Services, Inc.
Interconnected VoipAlso known as: Single Source
- 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
- Agent email
- [email protected]
- Headquarters
- 1447 York Rd., Ste. 604, Lutherville, MD, 21093
- Customer inquiries
- (800) 783-4066
- Holding company
- —
- States served (19)
- Arizona, California, Colorado, Delaware, District of Columbia, Florida, Georgia, Illinois, Maryland, Massachusetts, New Jersey, North Carolina, Oregon, Pennsylvania, South Carolina, Tennessee, Texas, Virginia, Washington
- FCC 499 Filer ID
- 832198
- Last filing
- 4/1/2026