- City / exchange
- St Louis
- Province / state
- Missouri
- Country
- United States
- Carrier
- Teleport Communications America, LLC - Mo
- Line type
- Landline or business line
- OCN
- 7218
- Status
- In Service
- Assigned
- 01/03/2025
- Number pooling
- Yes (block shared between carriers)
557-231 phone numbers
St Louis, Missouri, United States · Teleport Communications America, LLC - Mo
Reported numbers in 557-231
No numbers in this block have been reported by visitors yet.
What does the 557-231 prefix tell you?
Every North American number is area code + prefix + line. The prefix 557-231 was assigned to Teleport Communications America, LLC - Mo on 01/03/2025 for the St Louis exchange. A call from this block usually originates from a Teleport Communications America, LLC - Mo customer in or near St Louis, but caller ID can be spoofed to show any number.