Prefix 909-401 — Fontana, CA
The 909-401 prefix belongs to area code 909 and is anchored to the Fontana rate center (CA). In NANP terms, the prefix — or NXX — determines the rate center a number is billed against.
Fontana is part of the Riverside-San Bernardino-Ontario, CA Metropolitan Statistical Area. For routing purposes it sits in LATA 730. Numbers here keep Pacific time.
The assigned code holder is METROPCS NETWORKS, LLC, operating company number 899D, assigned May 22, 2017. This is a pooled prefix — expect numbers within it to be split across more than one carrier in 1,000-number blocks.
Caller ID showing 909-401 is not proof the call came from Fontana: spoofing and porting both detach numbers from their origin. To verify a caller, hang up and dial the organization's published number, and report suspicious calls to the FTC.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 909-398 | Claremont | FRONTIER CALIFORNIA INC. |
| 909-399 | Claremont | FRONTIER CALIFORNIA INC. |
| 909-400 | Ontario | UTILITY TELECOM GROUP, LLC - CA |
| 909-402 | Marshall | ONVOY, LLC - CA |
| 909-403 | Running Springs | ONVOY, LLC - CA |
| 909-404 | Upland | ONVOY SPECTRUM, LLC |
FAQ
Where is 909-401 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 909-401 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 909-401 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.