Area code 628 is the area code for San Francisco and its surrounding areas. It is a North American telephone number assigned by the North American numbering plan. This area code was an overlay of area code 415 that came into existence in 2015.
History:
Area code 415 was assigned to the central part of California by three numbering plan policies in 1947. The area code was overlaid in 2015 by area code 628. It was mandatory to dial a ten-digit code after the overlay.
Location:
628 serves the state of California and the major city included in this area code in San Francisco.
Timezone:
415 is under the pacific time zone. And the Pacific time zone can also be called the America/Los Angeles timezone.
Countries included in area zone:
| COUNTRY | TOTAL POPULATION | % OF 628 | % OF COUNTRY |
| San Francisco | 805,235 | 17% | 59% |
| Marin | 256,409 | 81% | 80% |
Cities in area code:
| CITY | TOTAL POPULATION | % OF 628 | % OF CITY |
| San Francisco | 805235 | 17% | 59% |
| San Rafael | 57713 | 3% | 100% |
| Novello | 51904 | 3% | 99% |
| Daly city | 101123 | 0% | 16% |
| Mill valley | 13903 | 1% | 100% |
| San Anselmo | 12336 | 0% | 100% |
| Larkspur | 11926 | 0% | 100% |
| Tamalpais Homestead valley | 10735 | 1% | 100% |
| Corte Madera | 9253 | 1% | 100% |
| Tiburon | 8962 | 2% | 100% |
| Fairfax | 7441 | 0% | 100% |
| Sausalito | 7061 | 0% | 100% |
| Kentfield | 6485 | 0% | 100% |
| Lucas valley marinwood | 6094 | 1% | 100% |
| Strawberry | 5393 | 0% | 100% |
| Santa Venetia | 4292 | 0% | 100% |
| Marin city | 2666 | 0% | 100% |
| Brisbane | 4282 | 1% | 100% |
| Ross | 2415 | 0% | 100% |
| Sleepy hollow | 2384 | 0% | 100% |
| Belvedere | 2068 | 0% | 100% |
| Lagunitas forest knolls | 1819 | 1% | 100% |
| Bolinas | 1620 | 1% | 100% |
| Woodacre | 1348 | 0% | 100% |
| Black point green point | 1306 | 0% | 100% |
| Inverness | 1304 | 1% | 100% |
| Alto | 711 | 0% | 100% |
| Stinson beach | 632 | 0% | 100% |
| Point Reyes station | 848 | 0% | 60% |
| San geronimo | 446 | 0% | 100% |
| Muir beach | 310 | 0% | 100% |
| Nicasio | 96 | 0% | 100% |
Frequently asked questions:
Is 628 a toll-free number:
No, it is not toll-free. Everyone has to pay for their calls and messages.
What is the timezone of area code 628?
415 is under the pacific time zone. And the Pacific time zone can also be called the America/Los Angeles timezone.
What is area code 628? Where does it come from?
Area code 628 is the area code for San Francisco and its surrounding areas, This area code was an overlay of area code 415 that came into existence in 2015.
Conclusion:
Area code 628 is the area code for San Francisco and its surrounding areas. This area code was an overlay of area code 415 that came into existence in 2015 628 serves California, and the major city included in this area code in San Francisco.
415 is under the pacific time zone. And the Pacific time zone can also be called the America/Los Angeles timezone.
For more, you may also read: area code 619.