Prefix 314-273 — Saint Louis, MO
- Area code
- 314
- Prefix (NXX)
- 273
- Rate center
- Saint Louis
- State
- Missouri
- Time zone
- Central
- Code holder
- SOUTHWESTERN BELL
- OCN
- 9533
- Pooled
- Yes (thousands-block pooling)
- Assigned
- 2006-11-28
- LATA
- 520
314-273 identifies a block of numbers in Saint Louis, MO, within the 314 area code. Every US prefix is tied to exactly one rate center; this one is Saint Louis.
The rate center lies in the St. Louis, MO-IL Metropolitan Statistical Area. The serving LATA is 520. Local time follows the Central zone.
Treat the on-screen number as a hint, not evidence — 314-273 can be spoofed like any US prefix. If a call feels off, verify through an official callback number and file a complaint with the FCC or FTC.
Code-holder of record: SOUTHWESTERN BELL (OCN 9533), assigned November 28, 2006. The prefix is pooled: its ten thousands-blocks can be shared among several carriers, so different 314-273 numbers may be served by different companies.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 314-270 | Sappington | TELEPORT COMMUNICATIONS AMERICA, LLC - MO |
| 314-271 | Ladue | ONVOY, LLC - MO |
| 314-272 | Sappington | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO |
| 314-274 | Ladue | SOUTHWESTERN BELL |
| 314-275 | Creve Coeur | SOUTHWESTERN BELL |
| 314-276 | Ladue | T-MOBILE USA, INC. |
FAQ
Where is 314-273 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 314-273 numbers?
SOUTHWESTERN BELL 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 314-273 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.