North American Area code 415 is the California

California

California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...

n telephone

Telephone

The telephone , colloquially referred to as a phone, is a telecommunications device that transmits and receives sounds, usually the human voice. Telephones are a point-to-point communication system whose most basic function is to allow two people separated by large distances to talk to each other...

 area code for San Francisco

San Francisco, California

San Francisco , officially the City and County of San Francisco, is the financial, cultural, and transportation center of the San Francisco Bay Area, a region of 7.15 million people which includes San Jose and Oakland...

 and its northern suburbs (across the Golden Gate Bridge

Golden Gate Bridge

The Golden Gate Bridge is a suspension bridge spanning the Golden Gate, the opening of the San Francisco Bay into the Pacific Ocean. As part of both U.S. Route 101 and California State Route 1, the structure links the city of San Francisco, on the northern tip of the San Francisco Peninsula, to...

).

History

415 was one of the original three area codes in California

California

California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...

, established in 1947. It originally covered central California, south of area code 916

Area code 916

North American area code 916 is an area code based in Sacramento, California. The telephone area code was one of the first three original area codes established in California in October, 1947. It covered the far northern portion of the state. It was split in a flash-cut on October, 26, 1957, at...

 and north of area code 213

Area code 213

North American area code 213 is a Californian telephone area code which contains downtown Los Angeles and its immediate environs. It was one of California's original three area codes created in October 1947 and has historically been associated with Southern California and Los Angeles.Originally,...

.

In 1950 its boundaries were realigned: area 916

Area code 916

North American area code 916 is an area code based in Sacramento, California. The telephone area code was one of the first three original area codes established in California in October, 1947. It covered the far northern portion of the state. It was split in a flash-cut on October, 26, 1957, at...

 was reduced to the north-eastern corner of the state and 415 was extended along the north coast to the Oregon

Oregon

Oregon is a state in the Pacific Northwest region of the United States. It is located on the Pacific coast, with Washington to the north, California to the south, Nevada on the southeast and Idaho to the east. The Columbia and Snake rivers delineate much of Oregon's northern and eastern...

 border.

For a short time in the early 1950s, area code 318

Area code 318

Area code 318 is a telephone area code that covers the central and northern parts of Louisiana. The area code was split off in 1957 from the original area code 504, which had previously covered the entire state....

 was temporarily used by customers in Englewood, New Jersey

Englewood, New Jersey

Englewood is a city located in Bergen County, New Jersey. As of the 2010 United States Census, the city had a total population of 27,147.Englewood was incorporated as a city by an Act of the New Jersey Legislature on March 17, 1899, from portions of Ridgefield Township and the remaining portions of...

 participating in the first customer direct distance dialing

Direct distance dialing

Direct distance dialing or direct dial is a telecommunications term for a network-provided service feature in which a call originator may, without operator assistance, call any other user outside the local calling area. DDD requires more digits in the number dialed than are required for calling...

 experiment to reach San Francisco

San Francisco, California

San Francisco , officially the City and County of San Francisco, is the financial, cultural, and transportation center of the San Francisco Bay Area, a region of 7.15 million people which includes San Jose and Oakland...

 as well as some areas north of the Golden Gate

Golden Gate

The Golden Gate is the North American strait connecting San Francisco Bay to the Pacific Ocean. Since 1937 it has been spanned by the Golden Gate Bridge...

.

Area 415 has been split three times:

• On March 1, 1959, in a three-way split, area code 707
  Area code 707
  North American area code 707 is a Californian telephone area code which covers Napa, Sebastopol, Vallejo, Benicia, Fairfield, Santa Rosa, Petaluma, Fort Bragg, Crescent City, Eureka, Clearlake, Vacaville, Ukiah, and northwestern California. It was split from area code 415 on March 1, 1959...
  
   was created for the northern coast (excluding Marin County) and area code 408
  Area code 408
  North American area code 408 is a telephone area code in California that covers most of Santa Clara County and includes Gilroy, Morgan Hill, Saratoga, Los Gatos, Monte Sereno, Milpitas, Sunnyvale, Santa Clara, Cupertino, and San Jose. It was created in a 1959 split from area code 415 in a flash-cut...
  
   for the South Bay.

• On September 2, 1991, area code 510
  Area code 510
  North American area code 510 is a California telephone area code which covers most eastern Bay Area cities in Alameda County , and western Contra Costa County...
  
   was created for the East Bay
  East Bay (San Francisco Bay Area)
  The East Bay is a commonly used, informal term for the lands on the eastern side of the San Francisco Bay, in the San Francisco Bay Area, in California, United States...
  
  .

• On August 2, 1997, area code 650
  Area code 650
  North American area code 650 is a California telephone area code which includes most of San Mateo County and the extreme northwestern portion of Santa Clara County including Palo Alto, Mountain View, and Los Altos....
  
   was created; the partition approximately followed the boundary between San Francisco, which (along with Marin County) kept 415, and San Mateo County to the south, which received the new code. Deviations from the county line were a very small area east of the San Francisco Golf Club, which was changed to 650, and portions of Brisbane
  Brisbane, California
  Brisbane is a small city located in the northern part of San Mateo County, California on the lower slopes of San Bruno Mountain. It is on the northeastern edge of South San Francisco, next to the San Francisco Bay and near the San Francisco International Airport.The population was 4,282 as of...
  
   and Daly City
  Daly City, California
  Daly City is the largest city in San Mateo County, California, United States, with a 2010 population of 101,123. Located immediately south of San Francisco, it is named in honor of businessman and landowner John Daly.-History:...
  
  , which retained area code 415.

Marin County

Marin County, California

Marin County is a county located in the North San Francisco Bay Area of the U.S. state of California, across the Golden Gate Bridge from San Francisco. As of 2010, the population was 252,409. The county seat is San Rafael and the largest employer is the county government. Marin County is well...

• Bel Marin Keys
  Bel Marin Keys, California
  Bel Marin Keys is an unincorporated community in Marin County, California. It lies at an elevation of 10 feet .Bel Marin Keys is an affluent waterfront community located east of the city of Novato. The community has approximately 700 homes. Most of the homes sit either on one of the many lagoons or...
  
  
• Belvedere
  Belvedere, California
  Belvedere is an affluent city in Marin County, California, United States. Belvedere is located northeast of Sausalito, at an elevation of 36 feet...
  
  
• Black Point-Green Point
  Black Point-Green Point, California
  Black Point-Green Point is a census-designated place in Marin County, California, United States. The population was 1,306 at the 2010 census.-Geography:...
  
  
• Bolinas
  Bolinas, California
  Bolinas formerly Juggville is a coastal unincorporated community in Marin County, California in the San Francisco Bay Area. Bolinas is located west-southwest of San Rafael, at an elevation of 36 feet...
  
  
• California Park
• Corte Madera
  Corte Madera, California
  Corte Madera is an incorporated town in Marin County, California, United States. Corte Madera is located south of San Rafael, at an elevation of 39 feet . The population was 9,253 at the 2010 census...
  
  
• Dogtown
  Dogtown, Marin County, California
  Dogtown is an unincorporated community in the rural West Marin region of coastal Marin County, California in the San Francisco Bay Area's North Bay. It lies at an elevation of 187 feet...
  
  
• Fairfax
  Fairfax, California
  Fairfax is an incorporated town in Marin County, California, United States. Fairfax is located west-northwest of San Rafael, at an elevation of 115 feet...
  
  
• Greenbrae
  Greenbrae, California
  Greenbrae is a small community in Marin County, California. It is located south-southeast of downtown San Rafael, at an elevation of 33 feet , located adjacent to U.S. Route 101 at the opening of the Ross Valley. Part of Greenbrae is an unincorporated community of the county while the remaining...
  
  
• Inverness Park
  Inverness Park, California
  Inverness Park is a small unincorporated community in Marin County, California. It is located west-southwest of Point Reyes Station, at an elevation of 148 feet .Inverness Park is located between the communities of Point Reyes Station and Inverness...
  
  
• Inverness
  Inverness, California
  Inverness is an unincorporated community and census-designated place located in western Marin County, California. Inverness is located on the southwest shore of Tomales Bay northwest of Point Reyes Station, at an elevation of 43 feet . In the 2010 census, the population was 1,304...
  
  
• Kentfield
  Kentfield, California
  Kentfield is a census-designated place in Marin County, California, United States, just north of San Francisco. Kentfield is located on the Northwestern Pacific Railroad southwest of downtown San Rafael, at an elevation of 115 feet . The population was 6,485 at the 2010 census...
  
  
• Lagunitas-Forest Knolls
  Lagunitas-Forest Knolls, California
  Lagunitas-Forest Knolls is a census-designated place, composed of two unincorporated areas in the western half of the San Geronimo Valley in Marin County, California, United States. The population was 1,819 at the 2010 census....
  
  
• Larkspur
  Larkspur, California
  Larkspur is a city in Marin County, California, United States. Larkspur is located south of San Rafael, at an elevation of . As of the 2010 Census, the city's population was 11,926. Larkspur is located north of San Francisco near Mount Tamalpais. Larkspur's Police Department is shared with that...
  
  
• Lucas Valley-Marinwood
  Lucas Valley-Marinwood, California
  Lucas Valley-Marinwood is a census-designated place in Marin County, California, United States. As of the 2010 census, the population was 6,094.-History:...
  
  
• Manor
  Manor, California
  Manor is a former unincorporated community now incorporated in Fairfax in Marin County, California. It lies at an elevation of 157 feet . The community is in ZIP code 94930 and area code 415....
  
  
• Manzanita
  Manzanita, California
  Manzanita is an unincorporated community in Marin County, California. Manzanita is also known as the Unincorporated Sausalito Houseboat Community. It is located south of downtown San Rafael, at an elevation of 16 feet . It is located near Marin City.The community is in area code 415...
  
  
• Marconi
  Marconi, California
  Marconi is an unincorporated area in Marin County, California. It is located on the northeast shore of Tomales Bay, about seven miles south-southeast of the village of Tomales, at an elevation of about 70 feet above sea level...
  
  
• Marin City
  Marin City, California
  Marin City, is an unincorporated community and census-designated place in Marin County, California, United States. It is located northwest of downtown Sausalito, at an elevation of 23 feet . Marin City was developed for housing starting in 1942, to accommodate war-time shipyard workers and other...
  
  
• Marshall
  Marshall, California
  Marshall is an unincorporated community in Marin County, California. It is located on the northeast shore of Tomales Bay south of Tomales, at an elevation of 23 feet .Marshall is located on the east shore of Tomales Bay...
  
  
• McNears Beach
  McNears Beach, California
  McNears Beach is an unincorporated community in Marin County, California. It is located 0.5 miles north-northwest of Point San Pedro and 3.4 miles northeast of San Rafael, at an elevation of 10 feet...
  
  
• Meadowsweet
  Meadowsweet, California
  Meadowsweet is a small unincorporated community in Marin County, California. It is located on the Northwestern Pacific Railroad south-southeast of downtown San Rafael, at an elevation of 16 feet . The community is in ZIP code 94925 and area code 415....
  
  
• Mill Valley
  Mill Valley, California
  Mill Valley is a city in Marin County, California, United States located about north of San Francisco via the Golden Gate Bridge. The population was 13,903 at the 2010 census.Mill Valley is located on the western and northern shores of Richardson Bay...
  
  
• Millerton
  Millerton, Marin County, California
  Millerton is a small unincorporated community in Marin County, California. It is located northwest of Point Reyes Station, at an elevation of 43 feet . Millerton is near Point Reyes Station. The community is in ZIP code 94929 and area code 415....
  
  
• Muir Beach
  Muir Beach, California
  Muir Beach is a census-designated place , unincorporated community, and beach that is located northwest of San Francisco in western Marin County, California, United States...
  
  
• Nicasio
  Nicasio, California
  Nicasio is a census-designated place in Marin County, California. It is located west-southwest of Novato, at an elevation of 194 feet . The population was 96 at the 2010 census....
  
  
• Novato
  Novato, California
  Novato is a city located in the North Bay region of the San Francisco Bay Area, in northern Marin County. Novato is located about north-northwest of San Rafael, at an elevation of 30 feet above sea level . The 2010 U.S. Census estimated the city population to be about 51,904. Novato is about ...
  
  
• Olema
  Olema, California
  Olema is an unincorporated community in Marin County, California. It is located on Olema Creek south-southeast of Point Reyes Station, at an elevation of 69 feet ....
  
  
• Paradise Cay
  Paradise Cay, California
  Paradise Cay is an unincorporated community in Marin County, California. It is located south of Point San Quentin, at an elevation of 23 feet ....
  
  
• Point Reyes Station
  Point Reyes Station, California
  Point Reyes Station is small unincorporated town located in western Marin County, California. Point Reyes Station is located south-southeast of Tomales, at an elevation of . Point Reyes Station is located along State Route 1 and is a gateway to the Point Reyes National Seashore, an extremely...
  
  
• Ross
  Ross, California
  Ross is a small incorporated town in Marin County, California, United States, just north of San Francisco. Ross is located west-southwest of San Rafael, at an elevation of 36 feet . The population was 2,415 at the 2010 census...
  
  
• San Anselmo
  San Anselmo, California
  San Anselmo is an incorporated town in Marin County, California, in the western United States. San Anselmo is located west of San Rafael, at an elevation of 46 feet . It is located about north of San Francisco. Neighboring towns include San Rafael to the east, Fairfax to the west, and Ross to the...
  
  
• San Geronimo
  San Geronimo, California
  San Geronimo is a census-designated place located in the San Geronimo Valley in Marin County, California in the United States. San Geronimo is located southwest of downtown Novato, at an elevation of 292 feet...
  
  
• San Quentin
  San Quentin, California
  San Quentin is a small unincorporated community in Marin County, California. It is located west of Point San Quentin, at an elevation of 30 feet ....
  
  
• San Rafael
  San Rafael, California
  San Rafael is a city and the county seat of Marin County, California, United States. The city is located in the North Bay region of the San Francisco Bay Area...
  
  
• Santa Venetia
  Santa Venetia, California
  Santa Venetia is a census-designated place in Marin County, California, United States. Santa Venetia is located north of downtown San Rafael, at an elevation of 56 feet...
  
  
• Sausalito
  Sausalito, California
  Sausalito is a San Francisco Bay Area city, in Marin County, California, United States. Sausalito is south-southeast of San Rafael, at an elevation of 13 feet . The population was 7,061 as of the 2010 census. The community is situated near the northern end of the Golden Gate Bridge, and prior to...
  
  
• Sleepy Hollow
  Sleepy Hollow, Marin County, California
  Sleepy Hollow is a census-designated place in Marin County, California. It is located south of downtown Novato, at an elevation of 177 feet . Its population as of the 2010 census is 2,384....
  
  
• Stinson Beach
  Stinson Beach, California
  Stinson Beach is a census-designated place in Marin County, California, on the west coast of the United States. Stinson Beach is located east-southeast of Bolinas, at an elevation of 26 feet . The population of the Stinson Beach CDP was 632 at the 2010 census.Stinson Beach is about a 35-minute...
  
  
• Strawberry
• Tamalpais-Homestead Valley
  Tamalpais-Homestead Valley, California
  Tamalpais-Homestead Valley is a census-designated place in Marin County, California, United States. The population was 10,735 at the 2010 census.-Geography:...
  
  
• Tiburon
  Tiburon, California
  Tiburon is an incorporated town in Marin County, California. It occupies most of the Tiburon Peninsula, which reaches south into the San Francisco Bay. The smaller city of Belvedere occupies the south-east part of the peninsula and is contiguous with Tiburon...
  
  
• Woodacre
  Woodacre, California
  Woodacre is an unincorporated town and census-designated place located in the San Geronimo Valley in Marin County, California. Woodacre is located south-southwest of Novato, and 8 miles northwest of San Rafael, the nearest incorporated town is Fairfax, 4 miles east-southeast. Woodacre has the...
  
  

San Mateo County

San Mateo County, California

San Mateo County is a county located in the San Francisco Bay Area of the U.S. state of California. It covers most of the San Francisco Peninsula just south of San Francisco, and north of Santa Clara County. San Francisco International Airport is located at the northern end of the county, and...

• Brisbane
  Brisbane, California
  Brisbane is a small city located in the northern part of San Mateo County, California on the lower slopes of San Bruno Mountain. It is on the northeastern edge of South San Francisco, next to the San Francisco Bay and near the San Francisco International Airport.The population was 4,282 as of...
  
  
• Daly City
  Daly City, California
  Daly City is the largest city in San Mateo County, California, United States, with a 2010 population of 101,123. Located immediately south of San Francisco, it is named in honor of businessman and landowner John Daly.-History:...
  
  

See also

• List of California area codes
• List of NANP area codes
• North American Numbering Plan
  North American Numbering Plan
  The North American Numbering Plan is an integrated telephone numbering plan administered by Neustar which encompasses 24 countries and territories, including the United States and its territories, Canada, Bermuda, and 16 nations of the Caribbean...
  
  

External links

• List of exchanges from AreaCodeDownload.com, 415 Area Code