415 Area Code: Cities, Time Zone and Zip Codes
What area code is 415? The area code 415 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 415 was created on January 1, 1947, and was first put to use on January 1, 1947. It serves as an overlay to area code 628.
The top counties being served by the 415 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 415 area code are listed below:
Marin Clara County
The cities within Marin County that are served by the 415 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 415 area code include San Francisco.
San Mateo County
The cities within San Mateo County that are served by the 415 area code include Brisbane and Daly City.
415 Area Code Time Zone
What time zone is 415 Area Code? The time zone in the 415 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 415 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 415, 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 415 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 415 Area Code
If you want to get wireless telephone within the 415 area code, the popular wireless telephone carriers that you can approach include Cingular, Verizon Wireless, T-mobile, Sprint, USA Mobility Wireless, American Messaging (am), Metro PCS, 33 Wireless, American Messaging Services, 365 Wireless, Bandwidth, The Telephone Connection Local Services, Pacific Bell, and Onvoy.
For landline, popular carriers are Teleport Comms Group – San Francisco, Level 3 Communications, Pacific Bell, Pac – West Telecomm, Mcimetro Access Transmission Services, US Telepacific, 01 Comms, Verizon California, Broadvox-clec, Ymax Comms, Telekenex, Global Crossing Local Services, Xo California, Allegiance Telecom, Tw Telecom of California, Bandwidth.com, Astound Broad Broadband, Mci Worldcom Comms, Sbc Internet Services, Broadwing Comms, Peerless Network, Xo California, Race Telecom, Wide Voice, Mpower Comms Corp, North County Comms Corp, MCI Metro ATS, Cbeyond, AT&T Local, Brooks Fiber Comms, Comcast Phone, and Mosaic Network.
Zip Codes in 415 Area Code
| City | County | State | Area Code | Zip Code |
| Belvedere Tiburon | Marin | California | 415 | 94920 |
| Bolinas | Marin | California | 415 | 94924 |
| Brisbane | San Mateo | California | 415 | 94005 |
| Corte Madera | Marin | California | 415 | 94925 |
| Corte Madera | Marin | California | 415 | 94976 |
| Daly City | San Mateo | California | 415 | 94014 |
| Fairfax | Marin | California | 415 | 94930 |
| Fairfax | Marin | California | 415 | 94978 |
| Forest Knolls | Marin | California | 415 | 94933 |
| Greenbrae | Marin | California | 415 | 94904 |
| Inverness | Marin | California | 415 | 94937 |
| Kentfield | Marin | California | 415 | 94914 |
| Lagunitas | Marin | California | 415 | 94938 |
| Larkspur | Marin | California | 415 | 94939 |
| Larkspur | Marin | California | 415 | 94977 |
| Marshall | Marin | California | 415 | 94940 |
| Mill Valley | Marin | California | 415 | 94941 |
| Mill Valley | Marin | California | 415 | 94942 |
| Nicasio | Marin | California | 415 | 94946 |
| Novato | Marin | California | 415 | 94945 |
| Novato | Marin | California | 415 | 94947 |
| Novato | Marin | California | 415 | 94949 |
| Novato | Marin | California | 415 | 94948 |
| Novato | Marin | California | 415 | 94998 |
| Olema | Marin | California | 415 | 94950 |
| Point Reyes Station | Marin | California | 415 | 94956 |
| Ross | Marin | California | 415 | 94957 |
| San Anselmo | Marin | California | 415 | 94960 |
| San Anselmo | Marin | California | 415 | 94979 |
| San Francisco | San Francisco | California | 415 | 94103 |
| San Francisco | San Francisco | California | 415 | 94105 |
| San Francisco | San Francisco | California | 415 | 94104 |
| San Francisco | San Francisco | California | 415 | 94108 |
| San Francisco | San Francisco | California | 415 | 94109 |
| San Francisco | San Francisco | California | 415 | 94111 |
| San Francisco | San Francisco | California | 415 | 94112 |
| San Francisco | San Francisco | California | 415 | 94115 |
| San Francisco | San Francisco | California | 415 | 94116 |
| San Francisco | San Francisco | California | 415 | 94121 |
| San Francisco | San Francisco | California | 415 | 94122 |
| San Francisco | San Francisco | California | 415 | 94124 |
| San Francisco | San Francisco | California | 415 | 94127 |
| San Francisco | San Francisco | California | 415 | 94129 |
| San Francisco | San Francisco | California | 415 | 94130 |
| San Francisco | San Francisco | California | 415 | 94131 |
| San Francisco | San Francisco | California | 415 | 94132 |
| San Francisco | San Francisco | California | 415 | 94133 |
| San Francisco | San Francisco | California | 415 | 94134 |
| San Francisco | San Francisco | California | 415 | 94158 |
| San Francisco | San Francisco | California | 415 | 94114 |
| San Francisco | San Francisco | California | 415 | 94123 |
| San Francisco | San Francisco | California | 415 | 94102 |
| San Francisco | San Francisco | California | 415 | 94118 |
| San Francisco | San Francisco | California | 415 | 94107 |
| San Francisco | San Francisco | California | 415 | 94110 |
| San Francisco | San Francisco | California | 415 | 94117 |
| San Francisco | San Francisco | California | 415 | 94177 |
| San Francisco | San Francisco | California | 415 | 94143 |
| San Francisco | San Francisco | California | 415 | 94140 |
| San Francisco | San Francisco | California | 415 | 94120 |
| San Francisco | San Francisco | California | 415 | 94139 |
| San Francisco | San Francisco | California | 415 | 94119 |
| San Francisco | San Francisco | California | 415 | 94154 |
| San Francisco | San Francisco | California | 415 | 94147 |
| San Francisco | San Francisco | California | 415 | 94151 |
| San Francisco | San Francisco | California | 415 | 94161 |
| San Francisco | San Francisco | California | 415 | 94159 |
| San Francisco | San Francisco | California | 415 | 94172 |
| San Francisco | San Francisco | California | 415 | 94144 |
| San Francisco | San Francisco | California | 415 | 94164 |
| San Francisco | San Francisco | California | 415 | 94125 |
| San Francisco | San Francisco | California | 415 | 94162 |
| San Francisco | San Francisco | California | 415 | 94137 |
| San Francisco | San Francisco | California | 415 | 94171 |
| San Francisco | San Francisco | California | 415 | 94188 |
| San Francisco | San Francisco | California | 415 | 94142 |
| San Francisco | San Francisco | California | 415 | 94146 |
| San Francisco | San Francisco | California | 415 | 94163 |
| San Francisco | San Francisco | California | 415 | 94160 |
| San Francisco | San Francisco | California | 415 | 94145 |
| San Francisco | San Francisco | California | 415 | 94153 |
| San Francisco | San Francisco | California | 415 | 94156 |
| San Francisco | San Francisco | California | 415 | 94141 |
| San Francisco | San Francisco | California | 415 | 94126 |
| San Geronimo | Marin | California | 415 | 94963 |
| San Quentin | Marin | California | 415 | 94964 |
| San Quentin | Marin | California | 415 | 94974 |
| San Rafael | Marin | California | 415 | 94901 |
| San Rafael | Marin | California | 415 | 94903 |
| San Rafael | Marin | California | 415 | 94913 |
| San Rafael | Marin | California | 415 | 94912 |
| San Rafael | Marin | California | 415 | 94915 |
| Sausalito | Marin | California | 415 | 94965 |
| Sausalito | Marin | California | 415 | 94966 |
| Stinson Beach | Marin | California | 415 | 94970 |
| Woodacre | Marin | California | 415 | 94973 |