San Bernardino, CA — rate center
- State
- California
- Active prefixes
- 99
- Carriers
- 22
- Pooled prefixes
- 77
- LATA
- 730
- Metro area
- Riverside-San Bernardino-Ontario, CA MSA
In NANP numbering, San Bernardino, California is a rate center — the anchor point for local numbers. It is reached through 840, 909 (multiple area codes serve it).
The rate center currently carries 99 working prefixes, held by 22 different carriers. Pooling applies to 77 of them — individual thousands-blocks may belong to different companies.
The rate center belongs to the Riverside-San Bernardino-Ontario, CA Metropolitan Statistical Area. Routing-wise it sits in LATA 730.
Because 840, 909 all serve this territory, two San Bernardino numbers can look completely different while being neighbors — check the prefix, not just the area code.
A San Bernardino prefix on caller ID is a starting point, not proof of origin — numbers travel with their owners and displays can be spoofed. Use official callback numbers for anything sensitive.
Prefixes anchored to San Bernardino
| Prefix | Code holder | Pooled |
|---|---|---|
| 909-205 | METROPCS NETWORKS, LLC | Yes |
| 909-246 | METROPCS NETWORKS, LLC | Yes |
| 909-252 | FRONTIER CALIFORNIA INC. | Yes |
| 909-266 | LEVEL 3 COMMUNICATIONS, LLC - CA | Yes |
| 909-269 | METROPCS NETWORKS, LLC | Yes |
| 909-277 | METROPCS NETWORKS, LLC | Yes |
| 909-289 | NEW CINGULAR WIRELESS PCS, LLC | No |
| 909-300 | ONVOY, LLC - CA | Yes |
| 909-314 | T-MOBILE USA, INC. | Yes |
| 909-327 | T-MOBILE USA, INC. | Yes |
| 909-332 | WIDE VOICE, LLC - CA | Yes |
| 909-361 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | Yes |
| 909-379 | LEVEL 3 TELECOM OF CALIFORNIA, LP - CA | Yes |
| 909-380 | FRONTIER CALIFORNIA INC. | Yes |
| 909-381 | FRONTIER CALIFORNIA INC. | No |
| 909-382 | FRONTIER CALIFORNIA INC. | Yes |
| 909-383 | FRONTIER CALIFORNIA INC. | No |
| 909-384 | FRONTIER CALIFORNIA INC. | Yes |
| 909-385 | BANDWIDTH.COM CLEC, LLC - CA | No |
| 909-386 | FRONTIER CALIFORNIA INC. | No |
| 909-387 | FRONTIER CALIFORNIA INC. | No |
| 909-388 | FRONTIER CALIFORNIA INC. | No |
| 909-453 | TWC IP ENABLED SERVICES, LLC | Yes |
| 909-454 | METROPCS NETWORKS, LLC | Yes |
| 909-462 | T-MOBILE USA, INC. | Yes |
| 909-486 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | Yes |
| 909-494 | MATRIX TELECOM, LLC. S/I/I TNCI - CA | Yes |
| 909-495 | MATRIX TELECOM, LLC. S/I/I TNCI - CA | Yes |
| 909-496 | T-MOBILE USA, INC. | Yes |
| 909-499 | NEW CINGULAR WIRELESS PCS, LLC | No |
| 909-501 | FRONTIER CALIFORNIA INC. | Yes |
| 909-515 | TELNYX LLC | Yes |
| 909-520 | T-MOBILE USA, INC. | Yes |
| 909-521 | BANDWIDTH.COM CLEC, LLC - CA | Yes |
| 909-522 | METROPCS NETWORKS, LLC | Yes |
| 909-531 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | Yes |
| 909-534 | T-MOBILE USA, INC. | Yes |
| 909-553 | NEW CINGULAR WIRELESS PCS, LLC | No |
| 909-556 | NEW CINGULAR WIRELESS PCS, LLC | No |
| 909-567 | T-MOBILE USA, INC. | Yes |
| 909-571 | TWC IP ENABLED SERVICES, LLC | Yes |
| 909-577 | FRACTEL, LLC | Yes |
| 909-601 | T-MOBILE USA, INC. | Yes |
| 909-619 | BANDWIDTH.COM CLEC, LLC - CA | Yes |
| 909-648 | METROPCS NETWORKS, LLC | Yes |
| 909-650 | 33 WIRELESS INC. | No |
| 909-658 | FRONTIER CALIFORNIA INC. | Yes |
| 909-659 | METROPCS NETWORKS, LLC | Yes |
| 909-663 | NEW CINGULAR WIRELESS PCS, LLC | Yes |
| 909-665 | LEVEL 3 COMMUNICATIONS, LLC - CA | Yes |
| 909-677 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | Yes |
| 909-690 | 33 WIRELESS INC. | No |
| 909-693 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | Yes |
| 909-708 | LEVEL 3 COMMUNICATIONS, LLC - CA | Yes |
| 909-709 | NEW CINGULAR WIRELESS PCS, LLC | No |
| 909-722 | SPOK, INC. | No |
| 909-723 | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | Yes |
| 909-733 | LEVEL 3 TELECOM OF CALIFORNIA, LP - CA | Yes |
| 909-751 | T-MOBILE USA, INC. | Yes |
| 909-754 | NEW CINGULAR WIRELESS PCS, LLC | No |
| 909-756 | ONVOY, LLC - CA | Yes |
| 909-761 | T-MOBILE USA, INC. | Yes |
| 909-763 | T-MOBILE USA, INC. | Yes |
| 909-771 | LEVEL 3 TELECOM OF CALIFORNIA, LP - CA | Yes |
| 909-800 | NEW CINGULAR WIRELESS PCS, LLC | No |
| 909-806 | PACIFIC BELL (COMPETITIVE) | Yes |
| 909-831 | NEW CINGULAR WIRELESS PCS, LLC | Yes |
| 909-832 | T-MOBILE USA, INC. | Yes |
| 909-841 | METROPCS NETWORKS, LLC | Yes |
| 909-844 | NEW CINGULAR WIRELESS PCS, LLC | Yes |
| 909-849 | NEW CINGULAR WIRELESS PCS, LLC | Yes |
| 909-856 | NEW CINGULAR WIRELESS PCS, LLC | No |
| 909-884 | FRONTIER CALIFORNIA INC. | No |
| 909-885 | FRONTIER CALIFORNIA INC. | No |
| 909-888 | FRONTIER CALIFORNIA INC. | No |
| 909-889 | FRONTIER CALIFORNIA INC. | No |
| 909-890 | FRONTIER CALIFORNIA INC. | Yes |
| 909-891 | FRONTIER CALIFORNIA INC. | Yes |
| 909-893 | TWILIO INTERNATIONAL, INC. | Yes |
| 909-910 | T-MOBILE USA, INC. | No |
| 909-913 | T-MOBILE USA, INC. | Yes |
| 909-915 | TELEPORT COMMUNICATIONS AMERICA, LLC - CA | Yes |
| 909-943 | NEW CINGULAR WIRELESS PCS, LLC | Yes |
| 909-956 | NEW CINGULAR WIRELESS PCS, LLC | Yes |
| 909-963 | LEVEL 3 COMMUNICATIONS, LLC - CA | Yes |
| 909-965 | T-MOBILE USA, INC. | Yes |
| 909-991 | T-MOBILE USA, INC. | Yes |
| 909-998 | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | Yes |
FAQ
What area code is San Bernardino, CA?
San Bernardino is served by 2 area codes — 840, 909 — which overlay the same territory.
How many prefixes does San Bernardino have?
99 active NXX prefixes are anchored to this rate center in NANPA records, held by 22 carriers.
Is a call from a San Bernardino prefix really from San Bernardino?
Not necessarily. The prefix marks where the number block was issued; porting, VoIP and spoofing all detach calls from that geography.