Where is Area Code 951?
Area code 951 is found in the US state of California. Primarily servicing the city of Riverside (population: 434283), area code 951 covers 1 county of California.
Located in the Pacific time zone, area code 951 is on the same time as Los Angeles, CA.
Area code 951 was brought into effect on July 17, 2004. 951 was split from the parent 909 area code.
Counties in Area Code 951
- Riverside.
Most Populous Cities in Area Code 951
| City | County | City Population |
|---|---|---|
| Riverside | Riverside | 434,283 |
| Corona | Riverside | 242,162 |
| Moreno Valley | Riverside | 200,940 |
| Hemet | Riverside | 122,000 |
| Murrieta | Riverside | 120,161 |
| Temecula | Riverside | 118,559 |
| Perris | Riverside | 110,051 |
| Lake Elsinore | Riverside | 71,347 |
| San Jacinto | Riverside | 47,542 |
| Beaumont | Riverside | 45,181 |
| Menifee | Riverside | 44,968 |
| Sun City | Riverside | 38,971 |
| Banning | Riverside | 32,781 |
| Mira Loma | Riverside | 31,133 |
| Wildomar | Riverside | 30,929 |
| Norco | Riverside | 28,181 |
| Winchester | Riverside | 24,009 |
| Quail Valley | Riverside | 17,277 |
| Nuevo | Riverside | 9,800 |
| Homeland | Riverside | 6,883 |
| Anza | Riverside | 4,905 |
| Idyllwild | Riverside | 4,067 |
| Aguanga | Riverside | 3,947 |
| Cabazon | Riverside | 2,642 |
| Mountain Center | Riverside | 1,721 |
Note: The above list is based off of the top 25 most populous cities in the area code as per 2012 United States Census Bureau estimates.
View all United States Area Codes.