Prefix 909-284 — Ontario, CA
Numbers in the 909-284 prefix are registered to the Ontario rate center in CA, inside area code 909. The prefix is the second block of a ten-digit US number (909-284-XXXX) and pins the number to a billing locality.
The assigned code holder is METROPCS NETWORKS, LLC, operating company number 899D, assigned September 28, 2010. 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 Ontario caller. Verify independently before trusting a request for money or data.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 909-281 | Big Bear City | BANDWIDTH.COM CLEC, LLC - CA |
| 909-282 | Pomona | LEVEL 3 TELECOM OF CALIFORNIA, LP - CA |
| 909-283 | Redlands | T-MOBILE USA, INC. |
| 909-285 | Upland | BANDWIDTH.COM CLEC, LLC - CA |
| 909-286 | Ontario | NEW CINGULAR WIRELESS PCS, LLC |
| 909-287 | Chino | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
FAQ
Where is 909-284 located?
The prefix is assigned to the Ontario rate center in CA, area code 909. It is part of the Riverside-San Bernardino-Ontario, CA Metropolitan Statistical Area.
Which company owns 909-284 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 909-284 safe to answer?
The prefix itself says nothing about the caller. Legitimate Ontario businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.