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628 Area Code

About Area Code 628

State: California
Major City: San Francisco
Timezone: Pacific
Current Time: 1:35pm
Short URL:

Area Code 628 Map

Where is area code 628?

Area code 628 serves most of San Francisco, CA and the surrounding areas. It is an overlay for area code 415 and serves the same area.

What time zone is area code 628?

The 628 area code is located in the Pacific timezone. The Pacific time zone is also known as America/Los_Angeles. As of the last time this page was loaded, the current time is 1:35pm.


Area code 628 was first put in service March 21, 2015. It was created from area code 415.

Nearby Area Codes

415/628 (San Francisco, CA)
510 (Oakland, CA)
530 (Redding, CA)
650 (San Mateo, CA)
707 (Santa Rosa, CA)

Top 2 Counties in Area Code 628

CountyTotal Population
San Francisco, CA805,235
Marin, CA252,409

Top 32 Cities in Area Code 628

CityTotal Population
San Francisco, CA805,235
San Rafael, CA57,713
Novato, CA51,904
Daly City, CA101,123
Mill Valley, CA13,903
San Anselmo, CA12,336
Larkspur, CA11,926
Tamalpais-Homestead Valley, CA10,735
Corte Madera, CA9,253
Tiburon, CA8,962
Fairfax, CA7,441
Sausalito, CA7,061
Kentfield, CA6,485
Lucas Valley-Marinwood, CA6,094
Strawberry, CA5,393
Santa Venetia, CA4,292
Marin City, CA2,666
Brisbane, CA4,282
Ross, CA2,415
Sleepy Hollow, CA2,384
Belvedere, CA2,068
Lagunitas-Forest Knolls, CA1,819
Bolinas, CA1,620
Woodacre, CA1,348
Black Point-Green Point, CA1,306
Inverness, CA1,304
Alto, CA711
Stinson Beach, CA632
Point Reyes Station, CA848
San Geronimo, CA446
Muir Beach, CA310
Nicasio, CA96

Source: Area code information compiled from the North American Numbering Plan Administration (NANPA), telecom providers, and the U.S. Census Bureau.