628 Area Code: Cities, Time Zone and Zip Codes
What area code is 628? The area code 628 is in California and it serves San Francisco, San Rafael, Novato, Daly City, Mill Valley, San Anselmo, Larkspur, Tamalpais-Homestead Valley, and some other surrounding cities. The area code 628 was created on December 19, 2013, and was first put to use on March 21, 2015. It serves as an overlay to area codes 415.
The top counties being served by the 628 area code are Marin County, San Mateo County, and San Francisco County.
The major cities under each of these counties that are being served by the 628 area code are listed below:
Marin Clara County
The cities within Marin County that are served by the 628 area code include Belvedere Tiburon, Bolinas, Corte Madera, Fairfax, Forest Knolls, Greenbrae, Inverness, Kentfield, Lagunitas, Larkspur, Marshall, Mill Valley, Nicasio, Novato, Olema, Point Reyes Station, Ross, San Anselmo, San Geronimo, San Quentin, San Rafael, Sausalito, Stinson Beach, and Woodacre.
San Francisco County
The cities within San Francisco County that are served by the 628 area code include San Francisco.
San Mateo County
The cities within San Mateo County that are served by the 628 area code include Brisbane and Daly City.
628 Area Code Time Zone
What time zone is 628 Area Code? The time zone in the 628 area code is the Pacific time zone which is abbreviated as PST. That is America/Los Angeles time zone. The pacific standard time is UTC/GMT -8:00 hours while the pacific daylight saving time is +1:00 hour.
Significance of 628 Area Code
I don’t know if you notice that there is a three-digit number that precedes a telephone number any time you receive a call from your cell phone. Any time you see the three-digit code 628, it suggests that the call comes from any of the cities or counties listed above. However, there may be an exemption to this. With the use of mobile phone or roaming phone feature, the caller may not necessarily be at any of these cities or counties at the time of calling.
Nevertheless, knowing the counties and cities that the 628 area code covers can guide you when to call a particular person. This is because the person you want to call may be in a time zone that is different from your own.
Telephone Carriers in 628 Area Code
If you want to get a wireless telephone within the 628 area code, the popular wireless telephone carriers that you can approach include T-mobile, Airus Inc, Verizon Wireless, New Cingular Wireless, and Bandwidth.com,
For landline, popular carriers are Telekenex, Onvoy Llc, Bandwidth.com, Vonage Network Inc, Telnyx Llc, Peerless Network, Teleport Comms Group – San Francisco, Level 3 Communications, Mci Worldcom Comms, Centurylink Communications Llc, Neutral Tandem, Pacific Bell, Onvoy Llc, Sonic Telecom, Race Telecommunications, Commio, and Rclec.
Zip Codes in 628 Area Code
| City | County | State | Area Code | Zip Code |
| Belvedere Tiburon | Marin | California | 628 | 94920 |
| Bolinas | Marin | California | 628 | 94924 |
| Brisbane | San Mateo | California | 628 | 94005 |
| Corte Madera | Marin | California | 628 | 94925 |
| Corte Madera | Marin | California | 628 | 94976 |
| Daly City | San Mateo | California | 628 | 94014 |
| Fairfax | Marin | California | 628 | 94930 |
| Fairfax | Marin | California | 628 | 94978 |
| Forest Knolls | Marin | California | 628 | 94933 |
| Greenbrae | Marin | California | 628 | 94904 |
| Inverness | Marin | California | 628 | 94937 |
| Kentfield | Marin | California | 628 | 94914 |
| Lagunitas | Marin | California | 628 | 94938 |
| Larkspur | Marin | California | 628 | 94939 |
| Larkspur | Marin | California | 628 | 94977 |
| Marshall | Marin | California | 628 | 94940 |
| Mill Valley | Marin | California | 628 | 94941 |
| Mill Valley | Marin | California | 628 | 94942 |
| Nicasio | Marin | California | 628 | 94946 |
| Novato | Marin | California | 628 | 94945 |
| Novato | Marin | California | 628 | 94947 |
| Novato | Marin | California | 628 | 94949 |
| Novato | Marin | California | 628 | 94948 |
| Novato | Marin | California | 628 | 94998 |
| Olema | Marin | California | 628 | 94950 |
| Point Reyes Station | Marin | California | 628 | 94956 |
| Ross | Marin | California | 628 | 94957 |
| San Anselmo | Marin | California | 628 | 94960 |
| San Anselmo | Marin | California | 628 | 94979 |
| San Francisco | San Francisco | California | 628 | 94103 |
| San Francisco | San Francisco | California | 628 | 94105 |
| San Francisco | San Francisco | California | 628 | 94104 |
| San Francisco | San Francisco | California | 628 | 94108 |
| San Francisco | San Francisco | California | 628 | 94109 |
| San Francisco | San Francisco | California | 628 | 94111 |
| San Francisco | San Francisco | California | 628 | 94112 |
| San Francisco | San Francisco | California | 628 | 94115 |
| San Francisco | San Francisco | California | 628 | 94116 |
| San Francisco | San Francisco | California | 628 | 94121 |
| San Francisco | San Francisco | California | 628 | 94122 |
| San Francisco | San Francisco | California | 628 | 94124 |
| San Francisco | San Francisco | California | 628 | 94127 |
| San Francisco | San Francisco | California | 628 | 94129 |
| San Francisco | San Francisco | California | 628 | 94130 |
| San Francisco | San Francisco | California | 628 | 94131 |
| San Francisco | San Francisco | California | 628 | 94132 |
| San Francisco | San Francisco | California | 628 | 94133 |
| San Francisco | San Francisco | California | 628 | 94134 |
| San Francisco | San Francisco | California | 628 | 94158 |
| San Francisco | San Francisco | California | 628 | 94114 |
| San Francisco | San Francisco | California | 628 | 94123 |
| San Francisco | San Francisco | California | 628 | 94102 |
| San Francisco | San Francisco | California | 628 | 94118 |
| San Francisco | San Francisco | California | 628 | 94107 |
| San Francisco | San Francisco | California | 628 | 94110 |
| San Francisco | San Francisco | California | 628 | 94117 |
| San Francisco | San Francisco | California | 628 | 94177 |
| San Francisco | San Francisco | California | 628 | 94143 |
| San Francisco | San Francisco | California | 628 | 94140 |
| San Francisco | San Francisco | California | 628 | 94120 |
| San Francisco | San Francisco | California | 628 | 94139 |
| San Francisco | San Francisco | California | 628 | 94119 |
| San Francisco | San Francisco | California | 628 | 94154 |
| San Francisco | San Francisco | California | 628 | 94147 |
| San Francisco | San Francisco | California | 628 | 94151 |
| San Francisco | San Francisco | California | 628 | 94161 |
| San Francisco | San Francisco | California | 628 | 94159 |
| San Francisco | San Francisco | California | 628 | 94172 |
| San Francisco | San Francisco | California | 628 | 94144 |
| San Francisco | San Francisco | California | 628 | 94164 |
| San Francisco | San Francisco | California | 628 | 94125 |
| San Francisco | San Francisco | California | 628 | 94162 |
| San Francisco | San Francisco | California | 628 | 94137 |
| San Francisco | San Francisco | California | 628 | 94171 |
| San Francisco | San Francisco | California | 628 | 94188 |
| San Francisco | San Francisco | California | 628 | 94142 |
| San Francisco | San Francisco | California | 628 | 94146 |
| San Francisco | San Francisco | California | 628 | 94163 |
| San Francisco | San Francisco | California | 628 | 94160 |
| San Francisco | San Francisco | California | 628 | 94145 |
| San Francisco | San Francisco | California | 628 | 94153 |
| San Francisco | San Francisco | California | 628 | 94156 |
| San Francisco | San Francisco | California | 628 | 94141 |
| San Francisco | San Francisco | California | 628 | 94126 |
| San Geronimo | Marin | California | 628 | 94963 |
| San Quentin | Marin | California | 628 | 94964 |
| San Quentin | Marin | California | 628 | 94974 |
| San Rafael | Marin | California | 628 | 94901 |
| San Rafael | Marin | California | 628 | 94903 |
| San Rafael | Marin | California | 628 | 94913 |
| San Rafael | Marin | California | 628 | 94912 |
| San Rafael | Marin | California | 628 | 94915 |
| Sausalito | Marin | California | 628 | 94965 |
| Sausalito | Marin | California | 628 | 94966 |
| Stinson Beach | Marin | California | 628 | 94970 |
| Woodacre | Marin | California | 628 | 94973 |