Area code 650
Area code 650 is a telephone area code in the North American Numbering Plan (NANP) for the San Francisco Bay Area in the U.S. state of California. It was split from area code 415 on August 2, 1997, and includes most of San Mateo County (except the northernmost portion), part of San Francisco, and the northwestern portion of Santa Clara County including Palo Alto, Mountain View, and Los Altos.
Map of California numbering plan areas (blue) and border states. Area code 650 is shown in red.
Service area
San Mateo County
- Atherton
- Belmont
- Broadmoor
- Burlingame
- Colma
- Daly City (small portion in 415)
- East Palo Alto
- El Granada
- Emerald Lake Hills
- Foster City
- Half Moon Bay
- Highlands-Baywood Park
- Hillsborough
- Kings Mountain
- La Honda
- Ladera
- Loma Mar
- Los Trancos Woods
- Menlo Park
- Middleton Tract
- Millbrae
- Montara
- Moss Beach
- North Fair Oaks
- Pacifica
- Pescadero
- Portola Valley
- Princeton-by-the-Sea
- Redwood City
- San Bruno
- San Carlos
- San Gregorio
- San Mateo
- Sky Londa
- South San Francisco
- West Menlo Park
- Woodside
Santa Clara County
San Francisco County
- San Francisco
gollark: However, these are not *that* fast and on larger high-link-density pages could increase rendering time substantially, and good rendering performance important?!
gollark: Too bad.
gollark: So, I can probably fix this if I make the page rendering step do some database lookups to case-insensitively match things (instead of statelessly generating slugs) and check aliases.
gollark: Also, the way case-insensitivity is done - by canonicalizing to title case - is actually not good.
gollark: Thanks, horse.
External links
| California area codes: 209, 213/323, 279/916, 310/424, 341/510, 408/669, 415/628, 442/760, 530, 559, 562, 619/858, 626, 650, 657/714, 661, 707, 747/818, 805/820, 831, 840/909, 925, 949, 951 | ||
|---|---|---|
| North: 415/628 | ||
| West: Pacific Ocean, 808 | area code 650 | East: 510/341, 925 |
| South: 408/669, 831 | ||
| Hawaii area codes: 808 | ||
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