Where is Area Code 415?

Max of California with area code 415 highlighted

Area code 415 is found in the US state of California. Primarily servicing the city of San Francisco (population: 825848), area code 415 covers 2 counties of California.

Located in the Pacific time zone, area code 415 is on the same time as Los Angeles, CA.

Area code 415 was brought into effect on January 1, 1947.

Counties in Area Code 415

  • Marin,
  • San Francisco.

Most Populous Cities in Area Code 415

City County City Population
San Francisco San Francisco 825,848
San Rafael Marin 71,214
Novato Marin 59,501
Mill Valley Marin 30,938
San Anselmo Marin 15,968
Belvedere Tiburon Marin 12,654
Greenbrae Marin 12,168
Sausalito Marin 11,004
Corte Madera Marin 9,387
Fairfax Marin 8,623
Larkspur Marin 6,958
San Quentin Marin 5,167
Point Reyes Station Marin 1,781
Bolinas Marin 1,661
Woodacre Marin 1,449
Ross Marin 1,351

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.