Prefix 314-404 — Kirkwood, MO
314-404 identifies a block of numbers in Kirkwood, MO, within the 314 area code. Every US prefix is tied to exactly one rate center; this one is Kirkwood.
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 — 314-404 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.
NANPA's central-office code records list NEW CINGULAR WIRELESS PCS, LLC - IL (OCN 6534) as the code holder, assigned May 16, 2025. Because 314-404 participates in thousands-block pooling, individual 1,000-number blocks may belong to other carriers than the code holder.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 314-401 | Kirkwood | NEW CINGULAR WIRELESS PCS, LLC - IL |
| 314-402 | Kirkwood | NEW CINGULAR WIRELESS PCS, LLC - IL |
| 314-403 | Kirkwood | BANDWIDTH.COM CLEC, LLC - MO |
| 314-405 | Saint Louis | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO |
| 314-406 | Ladue | NEW CINGULAR WIRELESS PCS, LLC - IL |
| 314-407 | Ladue | AMERICAN MESSAGING SERVICES, LLC |
FAQ
Where is 314-404 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 314-404 numbers?
NEW CINGULAR WIRELESS PCS, LLC - IL 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 314-404 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.