Prefix 909-203 — Chino, CA
A phone number starting 909-203 was issued in the Chino rate center of CA — part of area code 909.
Code-holder of record: T-MOBILE USA, INC. (OCN 6529), assigned January 19, 2007. The prefix is pooled: its ten thousands-blocks can be shared among several carriers, so different 909-203 numbers may be served by different companies.
A scammer can display 909-203 without ever touching CA. When in doubt, end the call and reach the company or agency through its official website; unwanted robocalls belong in the FTC's fraud report queue.
Chino is part of the Los Angeles-Long Beach-Anaheim, CA Metropolitan Statistical Area. For routing purposes it sits in LATA 730. Numbers here keep Pacific time.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 909-200 | Fontana | METROPCS NETWORKS, LLC |
| 909-201 | Fontana | DMR COMMUNICATIONS INC. - CA |
| 909-202 | Fontana | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
| 909-204 | Upland | LEVEL 3 TELECOM OF CALIFORNIA, LP - CA |
| 909-205 | San Bernardino | METROPCS NETWORKS, LLC |
| 909-206 | Mentone | T-MOBILE USA, INC. |
FAQ
Where is 909-203 located?
The prefix is assigned to the Chino rate center in CA, area code 909. It is part of the Los Angeles-Long Beach-Anaheim, CA Metropolitan Statistical Area.
Which company owns 909-203 numbers?
T-MOBILE USA, INC. 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 909-203 safe to answer?
The prefix itself says nothing about the caller. Legitimate Chino businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.