Colton, CA — rate center
- State
- California
- Active prefixes
- 52
- Carriers
- 17
- Pooled prefixes
- 35
- LATA
- 730
- Metro area
- Riverside-San Bernardino-Ontario, CA MSA
In NANP numbering, Colton, California is a rate center — the anchor point for local numbers. It is reached through 840, 909, 951 (multiple area codes serve it).
The rate center currently carries 52 working prefixes, held by 17 different carriers. Pooling applies to 35 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, 951 all serve this territory, two Colton numbers can look completely different while being neighbors — check the prefix, not just the area code.
A Colton 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 Colton
| Prefix | Code holder | Pooled |
|---|---|---|
| 909-213 | NEW CINGULAR WIRELESS PCS, LLC | No |
| 909-216 | SPOK, INC. | No |
| 909-219 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | Yes |
| 909-222 | TWC IP ENABLED SERVICES, LLC | Yes |
| 909-254 | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | Yes |
| 909-264 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | Yes |
| 909-370 | PACIFIC BELL | No |
| 909-410 | SPOK, INC. | No |
| 909-420 | PACIFIC BELL | Yes |
| 909-422 | PACIFIC BELL | No |
| 909-423 | PACIFIC BELL | Yes |
| 909-424 | PACIFIC BELL | Yes |
| 909-426 | PACIFIC BELL | No |
| 909-430 | PACIFIC BELL | Yes |
| 909-431 | PACIFIC BELL | No |
| 909-432 | SPOK, INC. | No |
| 909-433 | PACIFIC BELL | Yes |
| 909-439 | PACIFIC BELL | Yes |
| 909-498 | MATRIX TELECOM, LLC. S/I/I TNCI - CA | Yes |
| 909-503 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | Yes |
| 909-512 | PACIFIC BELL | Yes |
| 909-514 | PACIFIC BELL | Yes |
| 909-533 | LEVEL 3 COMMUNICATIONS, LLC - CA | Yes |
| 909-535 | SPOK, INC. | No |
| 909-554 | PACIFIC BELL | Yes |
| 909-572 | BANDWIDTH.COM CLEC, LLC - CA | Yes |
| 909-580 | PACIFIC BELL | Yes |
| 909-639 | ONVOY, LLC - CA | Yes |
| 909-645 | NEW CINGULAR WIRELESS PCS, LLC | No |
| 909-653 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | Yes |
| 909-679 | ONVOY, LLC - CA | Yes |
| 909-692 | AMERICAN MESSAGING SERVICES, LLC | No |
| 909-699 | BANDWIDTH.COM CLEC, LLC - CA | Yes |
| 909-777 | PACIFIC BELL | Yes |
| 909-783 | PACIFIC BELL | No |
| 909-807 | UTILITY TELECOM GROUP, LLC - CA | Yes |
| 909-814 | SPOK, INC. | No |
| 909-824 | PACIFIC BELL | Yes |
| 909-825 | PACIFIC BELL | No |
| 909-835 | LEVEL 3 TELECOM OF CALIFORNIA, LP - CA | Yes |
| 909-857 | AMERICAN MESSAGING SERVICES, LLC | No |
| 909-872 | PACIFIC BELL | Yes |
| 909-876 | PACIFIC BELL | No |
| 909-953 | NEW CINGULAR WIRELESS PCS, LLC | Yes |
| 909-954 | LEVEL 3 COMMUNICATIONS, LLC - CA | Yes |
FAQ
What area code is Colton, CA?
Colton is served by 3 area codes — 840, 909, 951 — which overlay the same territory.
How many prefixes does Colton have?
52 active NXX prefixes are anchored to this rate center in NANPA records, held by 17 carriers.
Is a call from a Colton prefix really from Colton?
Not necessarily. The prefix marks where the number block was issued; porting, VoIP and spoofing all detach calls from that geography.