628 Area Code

Q: When was the 628 area code created?

The 628 area code was created in 2015.

Q: What time zone is 628 in?

The 628 area code is in the Pacific Time Zone (UTC -8 / UTC -7 in DST).

The 628 area code is a telephone area code in the North American Numbering Plan (NANP) serving San Francisco and Marin County, California, USA. It was created in 2015 as an overlay to the existing 415 area code, due to growing demand for new phone numbers. The 628 area code covers one of the most iconic and densely populated regions of California, supporting landline, mobile, business, and VoIP services.

Understanding the 628 Area Code

The 628 area code was introduced as an overlay to the 415 area code. This means that both 415 and 628 serve the same geographic area. The overlay system ensures that existing phone numbers remain unchanged, while new phone numbers may be assigned the 628 prefix.

628 Area Code Map and Location

The 628 area code map includes San Francisco County and Marin County in Northern California, USA.

Major Cities and Regions in the 628 Area Code

San Francisco
Daly City
San Rafael
Sausalito
Tiburon
Mill Valley
Novato
Belvedere

ZIP Codes Covered by the 628 Area Code

Some of the primary ZIP codes within the 628 area code include:

94102 - San Francisco, CA
94110 - San Francisco, CA
94121 - San Francisco, CA
94133 - San Francisco, CA
94901 - San Rafael, CA
94920 - Tiburon, CA
94941 - Mill Valley, CA
94965 - Sausalito, CA
94947 - Novato, CA

Time Zone

The 628 area code is located in the Pacific Time Zone (PT).

Standard Time: UTC -8
Daylight Saving Time: UTC -7

Dialing, Phone & Service Details

Overlay Codes: 415
Local dialing: 10-digit dialing required
Long-distance within the USA: Dial 1 + 628 + 7-digit number
International calls: Dial exit code + 1 + 628 + number
Services: Landline, mobile, VoIP, and business services

What area code is 628? / Where's area code 628?

What area code is 628? � The 628 area code is a telephone code serving San Francisco and Marin County in California.

Where's area code 628? � It is located in California, USA, covering San Francisco, Daly City, San Rafael, Tiburon, Mill Valley, Novato, and surrounding areas in the Pacific Time Zone.

Frequently Asked Questions (FAQ) about 628 Area Code

What is the 628 area code?

The 628 area code serves San Francisco and Marin County in California as an overlay to 415.

When was the 628 area code created?

The 628 area code was created in 2015.

Where is area code 628 located?

It covers San Francisco, Daly City, Sausalito, Tiburon, San Rafael, and surrounding Northern California communities.

Does 628 have an overlay?

Yes, the 628 area code overlays with the long-established 415 area code.

What time zone is 628 in?

The 628 area code is in the Pacific Time Zone (UTC -8 / UTC -7 in DST).

Feature	Details
Area Code	628
Region Covered	San Francisco & Marin County, California
Established	2015
Overlay Codes	415
Time Zone	Pacific Time Zone (UTC -8 / -7 DST)
Major Cities	San Francisco, Daly City, San Rafael, Sausalito, Tiburon, Mill Valley, Novato
ZIP Range	94102, 94110, 94121, 94133, 94901, 94920, 94941, 94965, 94947
Services	Landline, Mobile, VoIP, Business
Dialing	10-digit locally; +1 628 NXX XXXX internationally
Country	United States of America

Ares Code	Office / Place	Address
628 Area Code	University of San Francisco	2130 Fulton St, San Francisco, CA 94117
628 Area Code	San Francisco State University	1600 Holloway Ave, San Francisco, CA 94132
628 Area Code	City College of San Francisco	50 Phelan Ave, San Francisco, CA 94112
628 Area Code	College of San Mateo	1700 W Hillsdale Blvd, Daly City, CA 94015
628 Area Code	San Francisco State University � Satellite Campus	500 Airport Blvd, South San Francisco, CA 94080
628 Area Code	UCSF Medical Center	505 Parnassus Ave, San Francisco, CA 94143
628 Area Code	Zuckerberg San Francisco General Hospital	1001 Potrero Ave, San Francisco, CA 94110
628 Area Code	Kaiser Permanente South San Francisco Medical Center	450 Hillside Blvd, South San Francisco, CA 94080
628 Area Code	Seton Medical Center	1900 Sullivan Ave, Daly City, CA 94015
628 Area Code	Marin General Hospital	250 Bon Air Rd, Greenbrae, CA 94904
628 Area Code	Bank of America	555 California St, San Francisco, CA 94104
628 Area Code	Chase Bank	600 Montgomery St, San Francisco, CA 94111
628 Area Code	Wells Fargo Bank	380 Gellert Blvd, Daly City, CA 94015
628 Area Code	Citibank	401 Grand Ave, South San Francisco, CA 94080
628 Area Code	US Bank	1000 4th St, San Rafael, CA 94901
628 Area Code	San Francisco City Hall	1 Dr Carlton B Goodlett Pl, San Francisco, CA 94102
628 Area Code	San Francisco Police Department	1245 3rd St, San Francisco, CA 94158
628 Area Code	Daly City City Hall	333 90th St, Daly City, CA 94015
628 Area Code	South San Francisco City Hall	400 Grand Ave, South San Francisco, CA 94080
628 Area Code	Marin County Courthouse	3501 Civic Center Dr, San Rafael, CA 94903
628 Area Code	Golden Gate Park	501 Stanyan St, San Francisco, CA 94117
628 Area Code	Presidio of San Francisco	103 Montgomery St, San Francisco, CA 94129
628 Area Code	Serramonte Park	700 Westlake Ave, Daly City, CA 94015
628 Area Code	Buri Buri Park	401 Buri Buri St, South San Francisco, CA 94080
628 Area Code	Marin Civic Center Park	3501 Civic Center Dr, San Rafael, CA 94903
628 Area Code	San Francisco Museum of Modern Art	151 3rd St, San Francisco, CA 94103
628 Area Code	California Academy of Sciences	55 Music Concourse Dr, San Francisco, CA 94118
628 Area Code	Exploratorium	Pier 15, San Francisco, CA 94111
628 Area Code	Marin History Museum	777 C St, San Rafael, CA 94901
628 Area Code	South San Francisco History Museum	33 Arroyo Dr, South San Francisco, CA 94080
628 Area Code	Union Square	333 Post St, San Francisco, CA 94108
628 Area Code	Westfield San Francisco Centre	865 Market St, San Francisco, CA 94103
628 Area Code	Westlake Shopping Center	1200 El Camino Real, Daly City, CA 94015
628 Area Code	Gateway 101 Shopping Center	1700 El Camino Real, South San Francisco, CA 94080
628 Area Code	Northgate Mall	5800 Lincoln Ave, San Rafael, CA 94904
628 Area Code	Hilton San Francisco Union Square	333 O'Farrell St, San Francisco, CA 94102
628 Area Code	Fairmont San Francisco	950 Mason St, San Francisco, CA 94108
628 Area Code	Hampton Inn & Suites Daly City	770 Gellert Blvd, Daly City, CA 94015
628 Area Code	Marriott South San Francisco	2000 Point West Way, South San Francisco, CA 94080
628 Area Code	Courtyard by Marriott San Rafael	1010 2nd St, San Rafael, CA 94901
628 Area Code	San Francisco Caltrain Station	700 4th St, San Francisco, CA 94107
628 Area Code	San Francisco MUNI Transit Center	1 Dr Carlton B Goodlett Pl, San Francisco, CA 94102
628 Area Code	Daly City BART Station	500 John Daly Blvd, Daly City, CA 94015
628 Area Code	South San Francisco BART Station	1333 Mission Rd, South San Francisco, CA 94080
628 Area Code	Golden Gate Transit Hub	101 E St, San Rafael, CA 94901

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