Area code 628 — California
Area code 628 is in California and serves San Francisco, Daly City, Brisbane, Marin County. Time zone, overlays, counties and ZIP codes.
| Location | California (San Francisco, Daly City, Brisbane, and most of Marin County) |
|---|---|
| Main places | San Francisco, Daly City, Brisbane, Marin County |
| State | California |
| Status | In service · since 2015 |
| Time zone | Pacific · |
| Overlay codes | 415 Overlays share the same area. Local calls usually need 10-digit dialing. |
| Local dialing | 1+10D |
History
- Overlaid on 415
Counties (approximate)
City and County of San FranciscoMarinMarin CountySan Francisco CountySan MateoSan Mateo County
ZIP codes in area code 628
Approximate: area code boundaries follow telephone rate centers, not ZIP codes.
94005 Brisbane94014 Daly City94015 Daly City94016 Daly City94017 Daly City94030 Millbrae94037 Montara94038 Moss Beach94044 Pacifica94066 San Bruno94080 South San Francisco94083 South San Francisco94102 San Francisco94103 San Francisco94104 San Francisco94105 San Francisco94107 San Francisco94108 San Francisco94109 San Francisco94110 San Francisco94111 San Francisco94112 San Francisco94114 San Francisco94115 San Francisco94116 San Francisco94117 San Francisco94118 San Francisco94119 San Francisco94120 San Francisco94121 San Francisco94122 San Francisco94123 San Francisco94124 San Francisco94125 San Francisco94126 San Francisco94127 San Francisco94128 San Francisco94129 San Francisco94131 San Francisco94132 San Francisco
Format a 628 number
US numbers are written as (628) 555-0123 or 628-555-0123. From outside the US, dial +1 628 555 0123.
Is a call from 628 a scam?
An area code only tells you where a number was assigned. Caller ID can be faked (“spoofed”), so do not trust a call just because the area code looks local. Never share codes or payment details with unexpected callers.
Sources: NANPA via NumberResearch.org (CC BY 4.0); place names and history from Wikipedia (CC BY-SA 4.0). See data sources.