951 Area Code

Area Code 951 Location: California

Area code 951 covers the southern portion of what was previously area code 909, encompassing western Riverside County and a small portion of San Bernardino County.

Counties Served by Area Code 951:

• Riverside County
• San Bernardino County

Major Cities in the 951 Service Area:

• Riverside
• Corona
• Moreno Valley
• Temecula
• Murrieta
• Lake Elsinore
• Perris
• Menifee
• Hemet
• San Jacinto
• Banning
• Beaumont
• Eastvale
• Jurupa Valley

Other Cities and Towns:

• Aguanga
• Anza
• Cabazon
• Calimesa
• Canyon Lake
• Cherry Valley
• Colton
• East Hemet
• Grand Terrace
• Highgrove
• Home Gardens
• Homeland
• Idyllwild
• Idyllwild-Pine Cove
• Lakeland Village
• Lakeview
• March Air Reserve Base
• Norco
• Nuevo
• Temescal Valley
• Valle Vista
• Wildomar
• Winchester
• Woodcrest

Overlay System

Area code 951 was created in 2004 from a split of area code 909. Area code 909 also serves areas near area code 951. Prior to October 2021, area code 951 transitioned to ten-digit dialing.

Area Code 951 Location Map

Area code 951 is a general purpose code which was placed in service on July 17, 2004.

951 Area Code Prefixes

Our California phone number lookup service will analyze the three-digit prefix of any 951 area code phone number and will show which telecommunications company and rate center it was initially assigned to. This prefix code data may help to determine the U.S. carrier, California geographic region, and local calling area associated with the phone number.

Phone numbers follow the following structure under the North American Numbering Plan:

• NPA- area code (where the number was originally assigned)
• NXX - Central office code that locates the specific neighborhood and identifies the service provider
• XXXX - Subscriber number identifies the individual phone line within that local exchange

Understanding the area code can help you determine if a call is local to your area. However, keep in mind that due to mobile number portability and VoIP services, the caller may be anywhere in the United States, so it’s best to search for the most recent phone number details.

Prefixes by Company

Carrier names have been updated from their original FCC assignments to reflect current companies following mergers, acquisitions, and rebranding. Updates were determined using AI-assisted research and may not be accurate or reflect up to date changes. This data is provided without warranties of accuracy or completeness.

Prefixes by Rate Center

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