- City / exchange
- Columbia
- Province / state
- Maryland
- Country
- United States
- Carrier
- New Cingular Wireless Pcs, LLC - Dc
- Line type
- Likely mobile
- OCN
- 4036
- Status
- Assigned
- Assigned
- 09/09/2026
- Number pooling
- Yes (block shared between carriers)
667-554 phone numbers
Columbia, Maryland, United States · New Cingular Wireless Pcs, LLC - Dc
Reported numbers in 667-554
No numbers in this block have been reported by visitors yet.
What does the 667-554 prefix tell you?
Every North American number is area code + prefix + line. The prefix 667-554 was assigned to New Cingular Wireless Pcs, LLC - Dc on 09/09/2026 for the Columbia exchange. A call from this block usually originates from a New Cingular Wireless Pcs, LLC - Dc customer in or near Columbia, but caller ID can be spoofed to show any number.