Prefix 314-366 — Saint Louis, MO
- Area code
- 314
- Prefix (NXX)
- 366
- Rate center
- Saint Louis
- State
- Missouri
- Time zone
- Central
- Code holder
- MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO
- OCN
- 7432
- Pooled
- Yes (thousands-block pooling)
- Assigned
- 2015-04-14
- LATA
- 520
A phone number starting 314-366 was issued in the Saint Louis rate center of MO — part of area code 314.
The assigned code holder is MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO, operating company number 7432, assigned April 14, 2015. This is a pooled prefix — expect numbers within it to be split across more than one carrier in 1,000-number blocks.
A scammer can display 314-366 without ever touching MO. When in doubt, end the call and reach the company or agency through its official website; unwanted robocalls belong in the FTC's fraud report queue.
Saint Louis is part of the St. Louis, MO-IL Metropolitan Statistical Area. For routing purposes it sits in LATA 520. Numbers here keep Central time.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 314-363 | Ladue | T-MOBILE USA, INC. |
| 314-364 | Sappington | SOUTHWESTERN BELL |
| 314-365 | Ladue | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO |
| 314-367 | Saint Louis | SOUTHWESTERN BELL |
| 314-368 | Ladue | T-MOBILE USA, INC. |
| 314-369 | Ladue | T-MOBILE USA, INC. |
FAQ
Where is 314-366 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 314-366 numbers?
MCIMETRO ACCESS TRANSMISSION SERVICES 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 314-366 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.