California area code
Area code 951
951 is a California area code covering Riverside, Corona and Temecula. Check a 951 number below to see if it is mobile, landline or VoIP, and which carrier it is with today.
Verdicts describe reachability. They are not compliance checks.
- State
- California
- Exchanges in use
- 696
- Thousands-blocks assigned
- 5,351
- Carriers holding numbers
- 46
An exchange is the three digits after the area code, 10,000 numbers. A thousands-block is 1,000 of them, assigned to a carrier on its own.
Rate centres in 951
A rate centre is the local area a number belongs to. Names are as NANPA files them, often abbreviated. The 12 with the most exchanges, of 21.
| Rate centre (as filed) | Exchanges |
|---|---|
| RIVERSIDE | 148 |
| CORONA | 88 |
| TEMECULA | 58 |
| PERRIS | 55 |
| MORENO | 52 |
| ARLINGTON | 50 |
| MURRIETA | 39 |
| HEMT HEMT | 38 |
| ELSINORE | 22 |
| SUN CITY | 22 |
| MIRA LOMA | 20 |
| BANNING | 18 |
Carriers 951 numbers were assigned to
The carrier NANPA lists for each exchange and thousands-block. A number can be ported to another carrier after it is assigned, so check the number itself to see its carrier today.
How a port changes the carrier on your list
| Carrier (as filed) | Exchanges | Thousands-blocks |
|---|---|---|
| T-MOBILE USA, INC. | 120 | 1,081 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 99 | 555 |
| NEW CINGULAR WIRELESS PCS, LLC | 76 | 593 |
| PACIFIC BELL | 75 | 203 |
| FRONTIER CALIFORNIA INC. | 69 | 195 |
| ONVOY, LLC - CA | 47 | 778 |
| BANDWIDTH.COM CLEC, LLC - CA | 32 | 323 |
| LEVEL 3 COMMUNICATIONS, LLC - CA | 26 | 198 |
| METROPCS NETWORKS, LLC | 24 | 353 |
| LEVEL 3 TELECOM OF CALIFORNIA, LP - CA | 17 | 35 |
Questions about this area code
Where is area code 951?
951 is a California area code covering Riverside, Corona and Temecula. NANPA's report lists 696 exchanges in use across 21 rate centres.
Is 951 a mobile or a landline area code?
Both. An area code doesn't decide the line type: mobile, landline and VoIP numbers all use 951, and numbers move between carriers. Check the number itself to see what it is today.
Which area codes overlay 951?
None in NANPA's current report: no other area code has numbers in half of 951's rate centres.
Can you tell me who owns a 951 number?
No. NumberLookup shows whether a number is valid, its line type, its carrier and its region, never the person or business behind it.
Source: NANPA's public central office code and thousands-block reports, refreshed weekly. Carriers are the ones the numbers were assigned to, not necessarily today's, and never the person who uses a number.
Check a whole list
Upload a CSV and every number comes back textable, callable, invalid or unknown. Unknown results are free.
Create a free account