Prefix 909-275 — Fontana, CA
Numbers in the 909-275 prefix are registered to the Fontana rate center in CA, inside area code 909. The prefix is the second block of a ten-digit US number (909-275-XXXX) and pins the number to a billing locality.
The assigned code holder is AT&T ENTERPRISES, LLC, operating company number 516C, assigned February 22, 2006. This is a pooled prefix — expect numbers within it to be split across more than one carrier in 1,000-number blocks.
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.
Spoofing means this prefix on your screen doesn't guarantee a Fontana caller. Verify independently before trusting a request for money or data.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 909-272 | Arrowhead | T-MOBILE USA, INC. |
| 909-273 | Arrowhead | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
| 909-274 | Diamond Bar | CHARTER IP ENABLED SERVICES, LLC |
| 909-276 | Upland | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
| 909-277 | San Bernardino | METROPCS NETWORKS, LLC |
| 909-278 | Fontana | METROPCS NETWORKS, LLC |
FAQ
Where is 909-275 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 909-275 numbers?
AT&T ENTERPRISES, 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 909-275 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.