Prefix 314-403 — Kirkwood, MO
The 314-403 prefix belongs to area code 314 and is anchored to the Kirkwood rate center (MO). In NANP terms, the prefix — or NXX — determines the rate center a number is billed against.
Kirkwood is part of the St. Louis, MO-IL Metropolitan Statistical Area. For routing purposes it sits in LATA 520. Numbers here keep Central time.
The assigned code holder is BANDWIDTH.COM CLEC, LLC - MO, operating company number 993E, assigned May 24, 2010. This is a pooled prefix — expect numbers within it to be split across more than one carrier in 1,000-number blocks.
Caller ID showing 314-403 is not proof the call came from Kirkwood: spoofing and porting both detach numbers from their origin. To verify a caller, hang up and dial the organization's published number, and report suspicious calls to the FTC.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 314-400 | Ladue | ONVOY, LLC - MO |
| 314-401 | Kirkwood | NEW CINGULAR WIRELESS PCS, LLC - IL |
| 314-402 | Kirkwood | NEW CINGULAR WIRELESS PCS, LLC - IL |
| 314-404 | Kirkwood | NEW CINGULAR WIRELESS PCS, LLC - IL |
| 314-405 | Saint Louis | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO |
| 314-406 | Ladue | NEW CINGULAR WIRELESS PCS, LLC - IL |
FAQ
Where is 314-403 located?
The prefix is assigned to the Kirkwood rate center in MO, area code 314. It is part of the St. Louis, MO-IL Metropolitan Statistical Area.
Which company owns 314-403 numbers?
BANDWIDTH.COM CLEC, 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 314-403 safe to answer?
The prefix itself says nothing about the caller. Legitimate Kirkwood businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.