Area code 650
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North American area code 650 is a California telephone area code which includes most of San Mateo County (except the northernmost portion) and the extreme northwestern portion of Santa Clara County including Palo Alto, Mountain View, and Los Altos.
The 650 area was created by a split from area code 415. A six month "permissive dialing" period when either area code would work began August 2, 1997. Mandatory dialing of the new area code started on January 31, 1998.
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[edit] Cities in the 650 area code
[edit] 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
[edit] Santa Clara County
[edit] External links
| California area codes: 209, 213, 310, 323, 408, 415, 424, 442, 510, 530, 559, 562, 619, 626, 650, 657, 661, 707, 714, 747, 760, 805, 818, 831, 858, 909, 916, 925, 949, 951 | ||
|---|---|---|
| North: 415 | ||
| West: Pacific Ocean, 808 | area code 650 | East: 510 |
| South: 408, 831 | ||
| Hawaii area codes: 808 | ||
Coordinates: 37°30′N 122°18′W / 37.5°N 122.3°W
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