415 Area Code | Location, Map and Time Zone

415 Area Code

State: California
Top City: San Francisco
Timezone: Pacific
Current Time:

Where is Area Code 415 located?

Area code 415 is assigned to San Francisco and surrounding areas in California. It encompasses the vibrant city known for its landmarks, diverse neighborhoods, and thriving business scene.

415 Area Code Map
415 Area Code Map / Image: OpenStreetMap

It is part of the dynamic San Francisco Bay Area, known for its innovation and cultural richness.

415 Area Code Time Zone

The 415 area code lies within the Pacific Time Zone (PT). The current time in the 415 area code is .

History of 415 Area Code

The history of 415 area code is a story of changes and adaptations to the growing demand for telecommunication services in the Bay Area. The 415 area code was one of the eighty-six original North American area codes established in 1947, covering all of central California.

However, it was soon split and reduced to serve only the coastal region from the North Coast to the Oregon border in 1950, and then reunited with the entire Bay Area in 1953. Since then, it has been split three more times: in 1959, 1991, and 1997, to create area codes 707, 510, and 650 respectively.

Today, the 415 area code encompasses only San Francisco and portions of Marin County. In 2015, due to the exhaustion of central office prefixes, area code 628 was assigned to form an overlay in the same service area, making ten-digit dialing mandatory for all calls within and between the two area codes.

Top Counties in Area Code 415

County Population
San Francisco 873,965
Marin 259,358
San Mateo 13,451

Top 10 Cities in Area Code 415

City Population
San Francisco 873,965
San Rafael 59,461
Novato 55,516
Mill Valley 14,493
Larkspur 12,328
Corte Madera 9,864
Tiburon 9,205
Sausalito 7,100
Belvedere 2,118
Fairfax 7,616

Top Telephone Carriers

Landline Wireless
AT&T Verizon
Comcast T-Mobile
Sonic AT&T
Frontier Sprint
Vonage MetroPCS

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