628 area code
Area code 628 is in California, including San Francisco, San Rafael, Novato and Mill Valley. It's on Pacific Time.
628 is an overlay area code: it was added on top of 415 and covers the same area, so new numbers there can get either code.
Pacific Time
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Business hours are taken as 9 AM to 5 PM on weekdays. US telemarketing rules only allow sales calls between 8 AM and 9 PM local time.
Cities in area code 628
| City | Time zone |
|---|---|
| San Francisco, CA | Pacific Time |
| San Rafael, CA | Pacific Time |
| Novato, CA | Pacific Time |
| Mill Valley, CA | Pacific Time |
| Sausalito, CA | Pacific Time |
| Corte Madera, CA | Pacific Time |
| Bolinas, CA | Pacific Time |
| Greenbrae, CA | Pacific Time |
Other area codes in California
- 209
- 213
- 279
- 310
- 323
- 341
- 350
- 369
- 408
- 415
- 424
- 442
- 510
- 530
- 559
- 562
- 619
- 626
- 650
- 657
- 661
- 669
- 707
- 714
- 738
- 747
- 760
- 805
- 818
- 820
- 831
- 840
- 858
- 909
- 916
- 925
- 949
- 951
More: look up another area code · time zone converter · US time zones map
Questions people ask
Where is area code 628?
Area code 628 is in California, including San Francisco, San Rafael, Novato and Mill Valley.
What time zone is area code 628?
628 is on Pacific Time (UTC−8, UTC−7 in summer).
What time is it in area code 628 right now?
The live clock at the top of this page shows the current local time in area code 628.