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Area Code 650
California area code 650 has been in service since 1997. It has 386 landlines and 94 wireless prefixes (exchanges) serviced by 35 carriers. It covers 4 counties, 622 ZIP codes, and 27 cities, including San Mateo, Redwood City, Palo Alto, Daly City, Mountain View, South San Francisco, Los Altos, Burlingame, and Pacifica.
- State:
- California
- Time Zone:
- Pacific (12:30 pm)
Area Code (650) has 483 prefixes
| Prefix | County | City | Company/Carrier | Line Type |
|---|---|---|---|---|
| (650) 111- | San Mateo | Pacifica | Unknown | |
| (650) 123- | San Mateo | San Mateo | Unknown | |
| (650) 200- | San Mateo | San Mateo | O1 Communications, Inc. - Ca | Landline |
| (650) 201- | San Mateo | South San Francisco | Sprint Spectrum L.p. | Cell Phone |
| (650) 204- | San Mateo | Millbrae | Tw Telecom Of California Lp... | Landline |
| (650) 207- | San Mateo | Redwood City | Cellco Partnership Dba Veri... | Cell Phone |
| (650) 208- | San Mateo | Redwood City | Cellco Partnership Dba Veri... | Cell Phone |
| (650) 209- | Santa Clara | Los Altos | U.s. Telepacific Corp. - Ca | Landline |
| (650) 210- | Santa Clara | Mountain View | Pacific Bell | Landline |
| (650) 212- | San Mateo | San Mateo | Pacific Bell | Landline |
| (650) 213- | Santa Clara | Palo Alto | Pacific Bell | Landline |
| (650) 215- | Santa Clara | Mountain View | Global Crossing Local Servi... | Landline |
| (650) 216- | San Mateo | Redwood City | Pacific Bell | Landline |
| (650) 218- | San Mateo | San Mateo | Sprint Spectrum L.p. | Cell Phone |
| (650) 219- | San Mateo | San Bruno | Sprint Spectrum L.p. | Cell Phone |
| (650) 222- | San Mateo | Redwood City | Nextel Communications, Inc. | Cell Phone |
| (650) 223- | Santa Clara | Palo Alto | Mpower Communications Corp... | Landline |
| (650) 224- | San Mateo | San Mateo | New Cingular Wireless Pcs, Llc | Cell Phone |
| (650) 225- | San Mateo | South San Francisco | Pacific Bell | Landline |
| (650) 226- | San Mateo | San Carlos | Mci Worldcom Communications... | Landline |
| (650) 227- | Santa Clara | Mountain View | Xo California, Inc. | Landline |
| (650) 228- | San Mateo | San Mateo | Xo California, Inc. | Landline |
| (650) 230- | Santa Clara | Mountain View | Xo California, Inc. | Landline |
| (650) 231- | San Mateo | Millbrae | Xo California, Inc. | Landline |
| (650) 233- | San Mateo | Menlo Park | Pacific Bell | Landline |
| (650) 234- | San Mateo | Menlo Park | Pacific Bell | Landline |
| (650) 235- | San Mateo | San Mateo | Brooks Fiber Communications... | Landline |
| (650) 237- | Santa Clara | Mountain View | Pacific Bell | Landline |
| (650) 239- | San Mateo | Millbrae | Pac - West Telecomm, Inc. | Landline |
| (650) 240- | San Mateo | San Mateo | Pac - West Telecomm, Inc. | Landline |
| (650) 241- | San Mateo | Redwood City | Level 3 Communications, Llc... | Landline |
| (650) 242- | San Mateo | San Mateo | Level 3 Communications, Llc... | Landline |
| (650) 244- | San Mateo | South San Francisco | Pacific Bell | Landline |
| (650) 245- | San Mateo | Burlingame | New Cingular Wireless Pcs, Llc | Cell Phone |
| (650) 246- | San Mateo | South San Francisco | Pacific Bell | Landline |
| (650) 248- | Santa Clara | Palo Alto | Sprint Spectrum L.p. | Cell Phone |
| (650) 249- | San Mateo | Redwood City | Pac - West Telecomm, Inc. | Landline |
| (650) 251- | Santa Clara | Palo Alto | Pacific Bell | Landline |
| (650) 253- | Santa Clara | Mountain View | Pacific Bell | Landline |
| (650) 254- | Santa Clara | Mountain View | Pacific Bell | Landline |
| (650) 255- | San Mateo | South San Francisco | New Cingular Wireless Pcs, Llc | Cell Phone |
| (650) 256- | San Mateo | San Bruno | Cook Telecom, Inc. | Landline |
| (650) 257- | San Mateo | Redwood City | Global Crossing Local Servi... | Landline |
| (650) 259- | San Mateo | Millbrae | Pacific Bell | Landline |
| (650) 260- | San Mateo | Redwood City | At&t Local | Landline |
| (650) 261- | San Mateo | Redwood City | Pacific Bell | Landline |
| (650) 262- | San Mateo | South San Francisco | Level 3 Communications, Llc... | Landline |
| (650) 264- | San Mateo | San Carlos | At&t Local | Landline |
| (650) 265- | Santa Clara | Mountain View | At&t Local | Landline |
| (650) 266- | San Mateo | South San Francisco | Pacific Bell | Landline |
| (650) 267- | San Mateo | Daly City | Level 3 Communications, Llc... | Landline |
| (650) 268- | San Mateo | Pescadero | Xo California, Inc. | Landline |
| (650) 269- | San Mateo | Redwood City | Cellco Partnership Dba Veri... | Cell Phone |
| (650) 270- | San Mateo | Millbrae | Sprint Spectrum L.p. | Cell Phone |
| (650) 271- | San Mateo | Daly City | Metro Pcs, Inc. | Landline |
| (650) 273- | San Mateo | South San Francisco | Astound Broadband, Llc - Ca | Landline |
| (650) 274- | San Mateo | Redwood City | Sprint Spectrum L.p. | Cell Phone |
| (650) 275- | Santa Clara | San Jose | Xo California, Inc. | Landline |
| (650) 276- | San Francisco | San Francisco | Tw Telecom Of California Lp... | Landline |
| (650) 278- | San Mateo | South San Francisco | T-mobile Usa, Inc. | Cell Phone |
| (650) 279- | Santa Clara | Mountain View | Cellco Partnership Dba Veri... | Cell Phone |
| (650) 281- | San Mateo | San Mateo | Sprint Spectrum L.p. | Cell Phone |
| (650) 282- | Santa Clara | Mountain View | Astound Broadband, Llc - Ca | Landline |
| (650) 283- | San Mateo | Redwood City | T-mobile Usa, Inc. | Cell Phone |
| (650) 284- | San Mateo | Half Moon Bay | Pac - West Telecomm, Inc. | Landline |
| (650) 286- | San Mateo | San Mateo | Pacific Bell | Landline |
| (650) 287- | San Mateo | San Mateo | Pacific Bell | Landline |
| (650) 288- | San Mateo | San Mateo | Level 3 Communications, Llc... | Landline |
| (650) 289- | Santa Clara | Palo Alto | Pacific Bell | Landline |
| (650) 290- | San Mateo | San Bruno | Metro Pcs, Inc. | Landline |
| (650) 291- | San Mateo | San Bruno | Cellco Partnership Dba Veri... | Cell Phone |
| (650) 292- | San Mateo | San Mateo | Broadwing Communications, L... | Landline |
| (650) 293- | San Mateo | South San Francisco | Pacific Bell | Landline |
| (650) 296- | San Francisco | San Francisco | New Cingular Wireless Pcs, Llc | Cell Phone |
| (650) 298- | San Mateo | Redwood City | Pacific Bell | Landline |
| (650) 299- | San Mateo | Redwood City | Pacific Bell | Landline |
| (650) 301- | San Mateo | Daly City | Pacific Bell | Landline |
| (650) 302- | San Mateo | San Bruno | New Cingular Wireless Pcs, Llc | Cell Phone |
| (650) 303- | San Mateo | Pacifica | New Cingular Wireless Pcs, Llc | Cell Phone |
| (650) 305- | Santa Clara | Milpitas | T-mobile Usa, Inc. | Cell Phone |
| (650) 306- | San Mateo | Redwood City | Pacific Bell | Landline |
| (650) 307- | San Mateo | Burlingame | T-mobile Usa, Inc. | Cell Phone |
| (650) 312- | San Mateo | San Mateo | Pacific Bell | Landline |
| (650) 314- | Santa Clara | Mountain View | Pacific Bell | Landline |
| (650) 315- | San Mateo | San Mateo | Sprint Spectrum L.p. | Cell Phone |
| (650) 317- | San Mateo | San Mateo | Usa Mobility Wireless, Inc. | Cell Phone |
| (650) 318- | Santa Clara | Mountain View | Pacific Bell | Landline |
| (650) 319- | San Mateo | Daly City | Allegiance Telecom, Inc. - Ca | Landline |
| (650) 320- | Santa Clara | Palo Alto | Pacific Bell | Landline |
| (650) 321- | Santa Clara | Palo Alto | Pacific Bell | Landline |
| (650) 322- | Santa Clara | Palo Alto | Pacific Bell | Landline |
| (650) 323- | Santa Clara | Palo Alto | Pacific Bell | Landline |
| (650) 324- | Santa Clara | Palo Alto | Pacific Bell | Landline |
| (650) 325- | Santa Clara | Palo Alto | Pacific Bell | Landline |
| (650) 326- | Santa Clara | Palo Alto | Pacific Bell | Landline |
| (650) 327- | Santa Clara | Palo Alto | Pacific Bell | Landline |
| (650) 328- | Santa Clara | Palo Alto | Pacific Bell | Landline |
| (650) 329- | Santa Clara | Palo Alto | Pacific Bell | Landline |
| (650) 330- | Santa Clara | Palo Alto | Pacific Bell | Landline |
| (650) 331- | Santa Clara | Palo Alto | Broadwing Communications, L... | Landline |
