Telephone Area 650. .
Prefix: +1650
This prefix is distributed within the state California
The largest city in the region is San Mateo
Time Zone: Pacific
Winter time: UTC-8
Summer time: UTC-7
Below on the map, there is indicated the largest city in the telephone area +1-650-...-.... California San Mateo.
Phone numbers +1-650-YYY-YYYY
| Company | District | Major City | Prefix |
|---|---|---|---|
| O1 Communications | San Mateo | San Mateo, CA | +1-650200-SSSS |
| Sprint Spectrum L.p. | San Mateo | San Bruno, CA | +1-650201-SSSS |
| The Telephone Connection Local Services | San Mateo | San Mateo, CA | +1-650202-SSSS |
| Tw Telecom Of California Lp | San Francisco | San Francisco, CA | +1-650204-SSSS |
| Usa Mobility Wireless | San Mateo | San Bruno, CA | +1-650205-SSSS |
| Mpower Communications Corp | San Mateo | Woodside, CA | +1-650206-SSSS |
| Cellco Partnership DBA Verizon Wireless | San Mateo | Redwood City, CA | +1-650207-SSSS |
| Cellco Partnership DBA Verizon Wireless | San Mateo | Redwood City, CA | +1-650208-SSSS |
| U.s. Telepacific Corp. | Santa Clara | San Jose, CA | +1-650209-SSSS |
| Pacific Bell | Santa Clara | Mountain View, CA | +1-650210-SSSS |
| Pacific Bell | San Mateo | San Mateo, CA | +1-650212-SSSS |
| Pacific Bell | Santa Clara | Palo Alto, CA | +1-650213-SSSS |
| Pacific Bell | Mountain View, CA | +1-650214-SSSS | |
| Global Crossing Local Services-ca | Santa Clara | Mountain View, CA | +1-650215-SSSS |
| Pacific Bell | San Mateo | Redwood City, CA | +1-650216-SSSS |
| Usa Mobility Wireless | San Mateo | San Mateo, CA | +1-650217-SSSS |
| Sprint Spectrum L.p. | San Mateo | Brisbane, CA | +1-650218-SSSS |
| Sprint Spectrum L.p. | San Mateo | San Bruno, CA | +1-650219-SSSS |
| American Messaging (am) | San Mateo | San Mateo, CA | +1-650220-SSSS |
| American Messaging Services | San Mateo | Redwood City, CA | +1-650221-SSSS |
| Nextel Communications | San Mateo | San Mateo, CA | +1-650222-SSSS |
| Mpower Communications Corp | Santa Clara | Palo Alto, CA | +1-650223-SSSS |
| New Cingular Wireless PCS | Santa Clara | Mountain View, CA | +1-650224-SSSS |
| Pacific Bell | San Mateo | San Bruno, CA | +1-650225-SSSS |
| Mci Worldcom Communications, Ca | San Mateo | Redwood City, CA | +1-650226-SSSS |
| Xo California | San Mateo | San Mateo, CA | +1-650227-SSSS |
| Xo California | San Mateo | San Bruno, CA | +1-650228-SSSS |
| Xo California | Alameda | Fremont, CA | +1-650229-SSSS |
| Xo California | Alameda | Fremont, CA | +1-650230-SSSS |
| Xo California | San Mateo | Millbrae, CA | +1-650231-SSSS |
| Xo California | San Mateo | San Carlos, CA | +1-650232-SSSS |
| Pacific Bell | Santa Clara | Palo Alto, CA | +1-650233-SSSS |
| Pacific Bell | Santa Clara | Palo Alto, CA | +1-650234-SSSS |
| Brooks Fiber Communications Of California | San Mateo | San Mateo, CA | +1-650235-SSSS |
| Pacific Bell | Santa Clara | Palo Alto, CA | +1-650236-SSSS |
| Pacific Bell | Santa Clara | Mountain View, CA | +1-650237-SSSS |
| Mci Worldcom Communications, Ca | San Mateo | San Bruno, CA | +1-650238-SSSS |
| Pac - West Telecomm | San Mateo | Millbrae, CA | +1-650239-SSSS |
| Pac - West Telecomm | San Mateo | San Mateo, CA | +1-650240-SSSS |
| Level 3 Communications | San Mateo | Redwood City, CA | +1-650241-SSSS |
| Level 3 Communications | San Mateo | San Mateo, CA | +1-650242-SSSS |
| U.s. Telepacific Corp. | San Mateo | San Bruno, CA | +1-650243-SSSS |
| Pacific Bell | San Mateo | San Bruno, CA | +1-650244-SSSS |
| New Cingular Wireless PCS | San Mateo | San Mateo, CA | +1-650245-SSSS |
| Pacific Bell | San Mateo | San Bruno, CA | +1-650246-SSSS |
| American Messaging Services | Santa Clara | Palo Alto, CA | +1-650247-SSSS |
| Sprint Spectrum L.p. | Santa Clara | Palo Alto, CA | +1-650248-SSSS |
| Pac - West Telecomm | San Mateo | Redwood City, CA | +1-650249-SSSS |
| Pacific Bell | Santa Clara | Palo Alto, CA | +1-650251-SSSS |
| Pacific Bell | Santa Clara | Mountain View, CA | +1-650253-SSSS |
| Pacific Bell | Santa Clara | Mountain View, CA | +1-650254-SSSS |
| New Cingular Wireless PCS | San Mateo | San Bruno, CA | +1-650255-SSSS |
| Cook Telecom | San Mateo | San Bruno, CA | +1-650256-SSSS |
| Global Crossing Local Services-ca | San Mateo | Redwood City, CA | +1-650257-SSSS |
| Pacific Bell | San Mateo | Millbrae, CA | +1-650259-SSSS |
| AT&T Local | San Mateo | Redwood City, CA | +1-650260-SSSS |
| Pacific Bell | San Mateo | Redwood City, CA | +1-650261-SSSS |
| Level 3 Communications | San Mateo | Pescadero, CA | +1-650262-SSSS |
| Mci Worldcom Communications, Ca | San Mateo | Moss Beach, CA | +1-650263-SSSS |
| AT&T Local | San Mateo | San Carlos, CA | +1-650264-SSSS |
| AT&T Local | Santa Clara | Mountain View, CA | +1-650265-SSSS |
| Pacific Bell | San Mateo | San Bruno, CA | +1-650266-SSSS |
| Level 3 Communications | San Francisco | San Francisco, CA | +1-650267-SSSS |
| Xo California | San Mateo | Pescadero, CA | +1-650268-SSSS |
| Cellco Partnership DBA Verizon Wireless | Santa Clara | Palo Alto, CA | +1-650269-SSSS |
| Sprint Spectrum L.p. | San Mateo | San Bruno, CA | +1-650270-SSSS |
| Metro PCS | San Francisco | San Francisco, CA | +1-650271-SSSS |
| Astound Broadband | San Mateo | San Bruno, CA | +1-650273-SSSS |
| Sprint Spectrum L.p. | San Mateo | Brisbane, CA | +1-650274-SSSS |
| Xo California | San Mateo | Woodside, CA | +1-650275-SSSS |
| Tw Telecom Of California Lp | San Mateo | Half Moon Bay, CA | +1-650276-SSSS |
| 33 Wireless Inc. | San Mateo | Redwood City, CA | +1-650277-SSSS |
| T-mobile Usa | San Mateo | San Mateo, CA | +1-650278-SSSS |
| Cellco Partnership DBA Verizon Wireless | Santa Clara | Mountain View, CA | +1-650279-SSSS |
| Nextel Communications | Santa Clara | Mountain View, CA | +1-650280-SSSS |
| Sprint Spectrum L.p. | San Mateo | Brisbane, CA | +1-650281-SSSS |
| Astound Broadband | Santa Clara | Mountain View, CA | +1-650282-SSSS |
| T-mobile Usa | Santa Clara | Palo Alto, CA | +1-650283-SSSS |
| Pac - West Telecomm | San Mateo | Half Moon Bay, CA | +1-650284-SSSS |
| Pacific Bell | San Mateo | San Mateo, CA | +1-650286-SSSS |
