Area Code 951

California

Area code 951 serves California, primarily Riverside, in the Pacific Time (PT) time zone. It was created from a split of area code 909.

Split Area Code

This area code was created by splitting an existing area code into separate geographic regions. When a split occurs, some customers in the original area code region are assigned the new area code.

This area code was split from area code 909 (San Bernardino).

In service since: 17-Jul-2004

Learn more about overlay and split area codes →

Demographics & Economics

Total Population: 2,106,034
Population Density: 328 people/sq mi
above U.S. average (U.S.: 93 people/sq mi)
Median Household Income: $89,672
above U.S. median (U.S.: $75,144)
Poverty Rate: 11.1%
near U.S. average (U.S.: 11.5%)
Unemployment Rate: 6.6%
above U.S. average (U.S.: 3.6%)
Education Attainment: Bachelor's Degree+
26.1%
below U.S. average (U.S.: 33.7%)
High School or Lower
34.5%

Statistics are population-weighted aggregations from Census ACS 5-year estimates. Population figures are approximate — see Sources & Methodology for details on how area code populations are derived.

See how this area code compares to all US area codes in the Statistics dashboard.

Time Zone

Pacific Time (PT)

NANPA Relief Status

According to the latest NANPA analysis (July 2026), this area code is not currently listed as exhausting within the next 36 months. No relief planning is in progress for this NPA.

Source: NANPA NPA Relief Planning Reports · See all relief planning statuses

Current Time

Pacific Time (PT)

Prefix Utilization

Geographic Coverage

State

Major Cities

Riverside
Moreno Valley
Corona
Murrieta
Temecula
Menifee
Jurupa Valley
Hemet
Perris
Lake Elsinore
Eastvale
Beaumont
San Jacinto
Colton
French Valley
Wildomar
Banning
Temescal Valley
El Cerrito
Norco
East Hemet
Mead Valley
Valle Vista
Woodcrest

and 28 more cities

Area Code 951 geographic coverage map (light mode)

Demographics

The estimated population served by area code 951 is approximately 2,106,034. The population density is 328 people per square mile, which is higher than the national average of 93. The median household income is $89,672, which is higher than the national median of $75,144. Approximately 26.1% of adults hold a bachelor's degree or higher, compared to the national rate of 33.7%. This rate is lower than the national average. The poverty rate stands at 11.1%, which is near the national rate of 11.5%.

History

Area code 951 was created from a split of area code 909. It was introduced in 2004 as part of a geographic division to provide additional numbering resources.