Area code 628

The 628 area code belongs to the state of California (CA) and some of the locations covered are Novato, San Francisco and more:

State Larger cities in area code 628 Time Zone
Larkspur, Mill Valley, Novato, San Anselmo, San Francisco, San Rafael
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Current time is
04:04:55 PM
-- overlays area code 415 --

Map of area code 628

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Basic info

Approved in December 2013, the new 628 area code serves 3 California counties: San Francisco, Marin and a portion of San Mateo County, overlaying area code 415. Both area codes serve the same geographic area and to dial either local or toll calls within this NPA one has to enter 1 + 10 digits.
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More California area codes: