Prefix 909-257 — Upland, CA
Numbers in the 909-257 prefix are registered to the Upland rate center in CA, inside area code 909. The prefix is the second block of a ten-digit US number (909-257-XXXX) and pins the number to a billing locality.
NANPA's central-office code records list PACIFIC BELL (COMPETITIVE) (OCN 7480) as the code holder, assigned August 16, 2007. Because 909-257 participates in thousands-block pooling, individual 1,000-number blocks may belong to other carriers than the code holder.
The rate center lies in the Los Angeles-Long Beach-Anaheim, 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 Upland caller. Verify independently before trusting a request for money or data.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 909-254 | Colton | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
| 909-255 | Redlands | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
| 909-256 | Upland | TWC IP ENABLED SERVICES, LLC |
| 909-258 | Rialto | METROPCS NETWORKS, LLC |
| 909-259 | Ontario | PEERLESS NETWORK OF CALIFORNIA, LLC - CA |
| 909-260 | Ontario | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
FAQ
Where is 909-257 located?
The prefix is assigned to the Upland rate center in CA, area code 909. It is part of the Los Angeles-Long Beach-Anaheim, CA Metropolitan Statistical Area.
Which company owns 909-257 numbers?
PACIFIC BELL (COMPETITIVE) 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 909-257 safe to answer?
The prefix itself says nothing about the caller. Legitimate Upland businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.