Prefix 909-231 — Fontana, CA
Numbers in the 909-231 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 (909-231-XXXX) and pins the number to a billing locality.
Code-holder of record: METROPCS NETWORKS, LLC (OCN 899D), assigned March 10, 2007. The prefix is pooled: its ten thousands-blocks can be shared among several carriers, so different 909-231 numbers may be served by different companies.
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 |
|---|---|---|
| 909-228 | Ontario | NEW CINGULAR WIRELESS PCS, LLC |
| 909-229 | Ontario | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
| 909-230 | Ontario | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
| 909-232 | Fontana | METROPCS NETWORKS, LLC |
| 909-233 | Rialto | METROPCS NETWORKS, LLC |
| 909-234 | Ontario | NEW CINGULAR WIRELESS PCS, LLC |
FAQ
Where is 909-231 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 909-231 numbers?
METROPCS NETWORKS, 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 909-231 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.