628 Area Code
State:California
Major City:San Francisco
Timezone:Pacific
Current Time:
History of area code 628
628 was first put in service March 21, 2015. It was created from area code 415.
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
628 area code map
Top 2 Counties in Area Code 628
| County | Total Population | % of 628 | % of County |
|---|---|---|---|
| San Francisco, CA | 805,235 | 17% | 59% |
| Marin, CA | 252,409 | 81% | 80% |
Top 32 Cities in Area Code 628
| City | Total Population | % of 628 | % of City |
|---|---|---|---|
| San Francisco, CA | 805,235 | 17% | 59% |
| San Rafael, CA | 57,713 | 3% | 100% |
| Novato, CA | 51,904 | 3% | 99% |
| Daly City, CA | 101,123 | 0% | 16% |
| Mill Valley, CA | 13,903 | 1% | 100% |
| San Anselmo, CA | 12,336 | 0% | 100% |
| Larkspur, CA | 11,926 | 0% | 100% |
| Tamalpais-Homestead Valley, CA | 10,735 | 1% | 100% |
| Corte Madera, CA | 9,253 | 1% | 100% |
| Tiburon, CA | 8,962 | 2% | 100% |
| Fairfax, CA | 7,441 | 0% | 100% |
| Sausalito, CA | 7,061 | 0% | 100% |
| Kentfield, CA | 6,485 | 0% | 100% |
| Lucas Valley-Marinwood, CA | 6,094 | 1% | 100% |
| Strawberry, CA | 5,393 | 0% | 100% |
| Santa Venetia, CA | 4,292 | 0% | 100% |
| Marin City, CA | 2,666 | 0% | 100% |
| Brisbane, CA | 4,282 | 1% | 58% |
| Ross, CA | 2,415 | 0% | 100% |
| Sleepy Hollow, CA | 2,384 | 0% | 100% |
| Belvedere, CA | 2,068 | 0% | 100% |
| Lagunitas-Forest Knolls, CA | 1,819 | 1% | 100% |
| Bolinas, CA | 1,620 | 1% | 100% |
| Woodacre, CA | 1,348 | 0% | 100% |
| Black Point-Green Point, CA | 1,306 | 0% | 100% |
| Inverness, CA | 1,304 | 1% | 100% |
| Alto, CA | 711 | 0% | 100% |
| Stinson Beach, CA | 632 | 0% | 100% |
| Point Reyes Station, CA | 848 | 0% | 60% |
| San Geronimo, CA | 446 | 0% | 100% |
| Muir Beach, CA | 310 | 0% | 100% |
| Nicasio, CA | 96 | 0% | 100% |
Largest Landline Carriers in area code628
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Largest Wireless Carriers in area code628
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Prefixes in area code628
| Prefix | Usage | Primary City | Carrier | Introduced |
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