Prefix 909-204 — Upland, CA
Numbers in the 909-204 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 (909-204-XXXX) and pins the number to a billing locality.
The assigned code holder is LEVEL 3 TELECOM OF CALIFORNIA, LP - CA, operating company number 7718, assigned February 5, 2007. 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 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 |
|---|---|---|
| 909-201 | Fontana | DMR COMMUNICATIONS INC. - CA |
| 909-202 | Fontana | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
| 909-203 | Chino | T-MOBILE USA, INC. |
| 909-205 | San Bernardino | METROPCS NETWORKS, LLC |
| 909-206 | Mentone | T-MOBILE USA, INC. |
| 909-207 | Claremont | SPOK, INC. |
FAQ
Where is 909-204 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 909-204 numbers?
LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 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 909-204 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.