Prefix 314-257 — Saint Louis, MO
- Area code
- 314
- Prefix (NXX)
- 257
- Rate center
- Saint Louis
- State
- Missouri
- Time zone
- Central
- Code holder
- TELEPORT COMMUNICATIONS AMERICA, LLC - MO
- OCN
- 7218
- Pooled
- Yes (thousands-block pooling)
- Assigned
- 2018-02-05
- LATA
- 520
Numbers in the 314-257 prefix are registered to the Saint Louis rate center in MO, inside area code 314. The prefix is the second block of a ten-digit US number (314-257-XXXX) and pins the number to a billing locality.
Code-holder of record: TELEPORT COMMUNICATIONS AMERICA, LLC - MO (OCN 7218), assigned February 5, 2018. The prefix is pooled: its ten thousands-blocks can be shared among several carriers, so different 314-257 numbers may be served by different companies.
The rate center lies in the St. Louis, MO-IL Metropolitan Statistical Area. The serving LATA is 520. Local time follows the Central zone.
Spoofing means this prefix on your screen doesn't guarantee a Saint Louis caller. Verify independently before trusting a request for money or data.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 314-254 | Ladue | BANDWIDTH.COM CLEC, LLC - MO |
| 314-255 | Saint Louis | XO MISSOURI, INC. |
| 314-256 | Saint Louis | SOUTHWESTERN BELL |
| 314-258 | Ladue | NEW CINGULAR WIRELESS PCS, LLC - IL |
| 314-259 | Saint Louis | SOUTHWESTERN BELL |
| 314-260 | Saint Louis | SOUTHWESTERN BELL |
FAQ
Where is 314-257 located?
The prefix is assigned to the Saint Louis rate center in MO, area code 314. It is part of the St. Louis, MO-IL Metropolitan Statistical Area.
Which company owns 314-257 numbers?
TELEPORT COMMUNICATIONS AMERICA, LLC - MO holds the code, but the prefix is pooled — individual thousands-blocks can be assigned to other carriers, and numbers may be ported to any provider.
Is a call from 314-257 safe to answer?
The prefix itself says nothing about the caller. Legitimate Saint Louis businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.