Prefix 909-251 — Fontana, CA
909-251 identifies a block of numbers in Fontana, CA, within the 909 area code. Every US prefix is tied to exactly one rate center; this one is Fontana.
The rate center lies in the Riverside-San Bernardino-Ontario, CA Metropolitan Statistical Area. The serving LATA is 730. Local time follows the Pacific zone.
Treat the on-screen number as a hint, not evidence — 909-251 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: TWC IP ENABLED SERVICES, LLC (OCN 793K), assigned August 27, 2007. The prefix is pooled: its ten thousands-blocks can be shared among several carriers, so different 909-251 numbers may be served by different companies.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 909-248 | Chino | ONVOY, LLC - CA |
| 909-249 | Ontario | SPOK, INC. |
| 909-250 | Redlands | ONVOY, LLC - CA |
| 909-252 | San Bernardino | FRONTIER CALIFORNIA INC. |
| 909-253 | Redlands | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
| 909-254 | Colton | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
FAQ
Where is 909-251 located?
The prefix is assigned to the Fontana rate center in CA, area code 909. It is part of the Riverside-San Bernardino-Ontario, CA Metropolitan Statistical Area.
Which company owns 909-251 numbers?
TWC IP ENABLED SERVICES, LLC 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 909-251 safe to answer?
The prefix itself says nothing about the caller. Legitimate Fontana businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.