- City / exchange
- St Louis
- Province / state
- Missouri
- Country
- United States
- Carrier
- U.s. Telepacific Corp. dba Tpx Communications
- Line type
- Landline or business line
- OCN
- 671J
- Status
- In Service
- Assigned
- 02/05/2026
- Number pooling
- Yes (block shared between carriers)
557-250 phone numbers
St Louis, Missouri, United States · U.s. Telepacific Corp. dba Tpx Communications
Reported numbers in 557-250
No numbers in this block have been reported by visitors yet.
What does the 557-250 prefix tell you?
Every North American number is area code + prefix + line. The prefix 557-250 was assigned to U.s. Telepacific Corp. dba Tpx Communications on 02/05/2026 for the St Louis exchange. A call from this block usually originates from a U.s. Telepacific Corp. dba Tpx Communications customer in or near St Louis, but caller ID can be spoofed to show any number.