Area code 661 is a telephone
area code
A telephone numbering plan is a type of numbering scheme used in telecommunication to assign telephone numbers to subscriber telephones or other telephony endpoints. Telephone numbers are the addresses of participants in a telephone network, rea ...
in the
North American Numbering Plan
The North American Numbering Plan (NANP) is an integrated telephone numbering plan for twenty-five regions in twenty countries, primarily in North America and the Caribbean. This group is historically known as World Zone 1, World Numbering Zone ...
(NANP) in the
U.S. state of
California
California () is a U.S. state, state in the Western United States that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an ...
. The numbering plan area comprises the southern part of the
San Joaquin Valley
The San Joaquin Valley ( ; Spanish language in California, Spanish: ''Valle de San Joaquín'') is the southern half of California's Central Valley (California), Central Valley. Famed as a major breadbasket, the San Joaquin Valley is an importa ...
and the far northern part of the
Los Angeles metropolitan area
Greater Los Angeles is the most populous metropolitan area in the U.S. state of California, encompassing five counties in Southern California extending from Ventura County in the west to San Bernardino County and Riverside County in the east, ...
. It includes most of
Kern County
Kern County is a county (United States), county located in the U.S. state of California. As of the 2020 United States census, 2020 census, the population was 909,235. Its county seat is Bakersfield, California, Bakersfield.
Kern County compris ...
, most of northern
Los Angeles County
Los Angeles County, officially the County of Los Angeles and sometimes abbreviated as LA County, is the most populous county in the United States, with 9,663,345 residents estimated in 2023. Its population is greater than that of 40 individua ...
(specifically the
Santa Clarita Valley, the
Antelope Valley
The Antelope Valley is a valley primarily located in northern Los Angeles County, California, United States and the southeast portion of Kern County, California, Kern County, and constitutes the western tip of the Mojave Desert. It is situated ...
and the surrounding mountains), and small parts of
Ventura County
Ventura County () is a county located in the southern part of the U.S. state of California. As of the 2020 census, the population was 843,843. The largest city is Oxnard, and the county seat is the city of Ventura.
Ventura County comprises ...
,
Santa Barbara County
Santa Barbara County, officially the County of Santa Barbara (), is a county located in Southern California. As of the 2020 United States census, the population was 448,229. The county seat is Santa Barbara, and the largest city is Santa M ...
, and
Tulare County. Principal cities in the numbering plan area are
Bakersfield
Bakersfield is a city in and the county seat of Kern County, California, United States. The city covers about near the southern end of the San Joaquin Valley, which is located in the Central Valley region.
Bakersfield's population as of the ...
,
Lancaster,
Palmdale, and
Santa Clarita.
The area code was created in an
area code split of
numbering plan area 805 on February 13, 1999.
Service area
Kern County
*
Arvin
*
Bakersfield
Bakersfield is a city in and the county seat of Kern County, California, United States. The city covers about near the southern end of the San Joaquin Valley, which is located in the Central Valley region.
Bakersfield's population as of the ...
*
Bear Valley Springs
*
Buttonwillow
*
Caliente
*
Delano
*
Edwards Air Force Base
Edwards Air Force Base (AFB) is a United States Air Force installation in California. Most of the base sits in Kern County, California, Kern County, but its eastern end is in San Bernardino County, California, San Bernardino County and a souther ...
*
Famoso
*
Fellows
*
Frazier Park
*
Golden Hills
*
Grapevine
''Vitis'' (grapevine) is a genus of 81 accepted species of vining plants in the flowering plant family Vitaceae. The genus consists of species predominantly from the Northern Hemisphere. It is economically important as the source of grapes, bot ...
*
Havilah
*
Keene
*
Lake of the Woods
*
Lamont
*
Lebec
*
Lost Hills
*
Maricopa
*
McFarland
*
McKittrick
*
Mettler
*
Mojave
*
North Edwards
*
Oildale
*
Pine Mountain Club
*
Rosamond
*
Rosedale
*
Shafter
*
South Taft
*
Stallion Springs
*
Taft
*
Taft Heights
*
Tehachapi
*
Tupman
*
Valley Acres
*
Walker Basin
*
Wasco
*
Weedpatch
*
Wheeler Ridge
Los Angeles County
*
Acton
*
Agua Dulce
*
Antelope Acres
*
Castaic
*
Del Sur
*
Desert View Highlands
*
Gorman
*
Green Valley
*
Juniper Hills
*
Lake Hughes
*
Lake Los Angeles
*
Lancaster
*
Leona Valley
*
Littlerock
*
Llano
*
Neenach
*
Palmdale
*
Pearblossom
*
Quartz Hill
*
Santa Clarita
*
Stevenson Ranch
*
Valencia
Valencia ( , ), formally València (), is the capital of the Province of Valencia, province and Autonomous communities of Spain, autonomous community of Valencian Community, the same name in Spain. It is located on the banks of the Turia (r ...
*
Val Verde
*
Valyermo
Santa Barbara County
*
Cuyama
*
New Cuyama
Tulare County
*
Allensworth
*
Earlimart
*
Posey
See also
*
List of California area codes
*
List of North American Numbering Plan area codes
The North American Numbering Plan (NANP) divides the territories of its members into geographic numbering plan areas (NPAs). Each NPA is identified by one or more numbering plan area codes (''NPA codes'', or ''area code
A telephone numbering plan ...
References
External links
{{coord, 35, -118.7, region:US-CA_type:adm2nd, display=title
661
Kern County, California
Los Angeles County, California
Santa Barbara County, California
Tulare County, California
Mojave Desert
San Joaquin Valley
Bakersfield, California
Lancaster, California
Palmdale, California
Santa Clarita, California
661