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628 Area Code

State: California
Major City: San Francisco
Timezone: Pacific
Current Time: 11:34pm
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.

628 area code

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 11:34pm.


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% of 628% of County
San Francisco, CA805,23517%59%
Marin, CA252,40981%80%

Top 32 Cities in Area Code 628

CityTotal Population% of 628% of City
San Francisco, CA805,23517%59%
San Rafael, CA57,7133%100%
Novato, CA51,9043%99%
Daly City, CA101,1230%16%
Mill Valley, CA13,9031%100%
San Anselmo, CA12,3360%100%
Larkspur, CA11,9260%100%
Tamalpais-Homestead Valley, CA10,7351%100%
Corte Madera, CA9,2531%100%
Tiburon, CA8,9622%100%
Fairfax, CA7,4410%100%
Sausalito, CA7,0610%100%
Kentfield, CA6,4850%100%
Lucas Valley-Marinwood, CA6,0941%100%
Strawberry, CA5,3930%100%
Santa Venetia, CA4,2920%100%
Marin City, CA2,6660%100%
Brisbane, CA4,2821%58%
Ross, CA2,4150%100%
Sleepy Hollow, CA2,3840%100%
Belvedere, CA2,0680%100%
Lagunitas-Forest Knolls, CA1,8191%100%
Bolinas, CA1,6201%100%
Woodacre, CA1,3480%100%
Black Point-Green Point, CA1,3060%100%
Inverness, CA1,3041%100%
Alto, CA7110%100%
Stinson Beach, CA6320%100%
Point Reyes Station, CA8480%60%
San Geronimo, CA4460%100%
Muir Beach, CA3100%100%
Nicasio, CA960%100%

Sources: North American Numbering Plan Administration (NANPA), telecom providers, and the U.S. Census Bureau.