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Area Code 831
California area code 831 has been in service since 1998. It has 260 landlines and 63 wireless prefixes (exchanges) serviced by 35 carriers. It covers 6 counties, 855 ZIP codes, and 41 cities, including Salinas, Santa Cruz, Watsonville, Monterey, Hollister, Aptos, Seaside, Carmel, and Marina.
- State:
- California
- Time Zone:
- Pacific (11:58 am)
Area Code (831) has 323 prefixes
| Prefix | County | City | Company/Carrier | Line Type |
|---|---|---|---|---|
| (831) 206- | Monterey | Salinas | Cellco Partnership Dba Veri... | Cell Phone |
| (831) 207- | San Benito | Hollister | Sprint Spectrum L.p. | Cell Phone |
| (831) 210- | Monterey | Salinas | T-mobile Usa, Inc. | Cell Phone |
| (831) 212- | Santa Cruz | Santa Cruz | Nextel Communications, Inc. | Cell Phone |
| (831) 214- | Monterey | Monterey | New Cingular Wireless Pcs, Llc | Cell Phone |
| (831) 216- | Santa Cruz | Felton | Teleport Communications Gro... | Landline |
| (831) 219- | Santa Cruz | Aptos | Teleport Communications Gro... | Landline |
| (831) 224- | Monterey | Monterey | T-mobile Usa, Inc. | Cell Phone |
| (831) 226- | Monterey | Monterey | Unknown | Landline |
| (831) 227- | Santa Cruz | Felton | Cellco Partnership Dba Veri... | Cell Phone |
| (831) 229- | Monterey | Salinas | New Cingular Wireless Pcs, Llc | Cell Phone |
| (831) 233- | Monterey | Monterey | Level 3 Communications, Llc... | Landline |
| (831) 234- | Santa Cruz | Santa Cruz | Cellco Partnership Dba Veri... | Cell Phone |
| (831) 235- | Monterey | Salinas | Cellco Partnership Dba Veri... | Cell Phone |
| (831) 236- | Monterey | Monterey | Cellco Partnership Dba Veri... | Cell Phone |
| (831) 238- | Monterey | Monterey | New Cingular Wireless Pcs, Llc | Cell Phone |
| (831) 239- | Santa Cruz | Santa Cruz | New Cingular Wireless Pcs, Llc | Cell Phone |
| (831) 240- | Monterey | Monterey | T-mobile Usa, Inc. | Cell Phone |
| (831) 241- | Monterey | Monterey | At&t Local | Landline |
| (831) 242- | Monterey | Monterey | Pacific Bell | Landline |
| (831) 243- | Santa Cruz | Ben Lomond | American Messaging Services... | Landline |
| (831) 244- | Santa Cruz | Santa Cruz | O1 Communications, Inc. - Ca | Landline |
| (831) 245- | Monterey | Monterey | O1 Communications, Inc. - Ca | Landline |
| (831) 246- | Santa Cruz | Santa Cruz | Cellco Partnership Dba Veri... | Cell Phone |
| (831) 247- | Santa Cruz | Felton | Cellco Partnership Dba Veri... | Cell Phone |
| (831) 248- | Monterey | Salinas | Unknown | Landline |
| (831) 250- | Monterey | Carmel | O1 Communications, Inc. - Ca | Landline |
| (831) 251- | Santa Cruz | Felton | New Cingular Wireless Pcs, Llc | Cell Phone |
| (831) 252- | Santa Cruz | Felton | New Cingular Wireless Pcs, Llc | Cell Phone |
| (831) 253- | Santa Clara | Cupertino | Unknown | Landline |
| (831) 254- | Santa Cruz | Watsonville | New Cingular Wireless Pcs, Llc | Cell Phone |
| (831) 255- | Monterey | Salinas | North County Communications... | Landline |
| (831) 261- | Monterey | Salinas | New Cingular Wireless Pcs, Llc | Cell Phone |
| (831) 262- | Monterey | Monterey | Cellco Partnership Dba Veri... | Cell Phone |
| (831) 264- | Monterey | Monterey | O1 Communications, Inc. - Ca | Landline |
| (831) 265- | Santa Cruz | Santa Cruz | Sbc Internet Services, Inc. | Landline |
| (831) 266- | Monterey | Salinas | Unknown | Landline |
| (831) 267- | San Benito | Hollister | Mpower Networks Services In... | Landline |
| (831) 269- | Monterey | Salinas | Teleport Communications Gro... | Landline |
| (831) 274- | Santa Cruz | Watsonville | Broadwing Communications, L... | Landline |
| (831) 277- | Monterey | Monterey | Cellco Partnership Dba Veri... | Cell Phone |
| (831) 278- | Santa Cruz | Felton | Cellco Partnership Dba Veri... | Cell Phone |
| (831) 279- | Monterey | Monterey | Unknown | Landline |
| (831) 280- | Santa Clara | San Jose | Unknown | Landline |
| (831) 287- | Monterey | Monterey | Ymax Communications Corp. - Ca | Landline |
| (831) 293- | Santa Cruz | Santa Cruz | Tw Telecom Of California Lp... | Landline |
| (831) 295- | Santa Cruz | Santa Cruz | T-mobile Usa, Inc. | Cell Phone |
| (831) 297- | San Benito | Hollister | T-mobile Usa, Inc. | Cell Phone |
| (831) 298- | Monterey | Carmel Valley | O1 Communications, Inc. - Ca | Landline |
| (831) 299- | Santa Cruz | Scotts Valley | Pac - West Telecomm, Inc. | Landline |
| (831) 301- | Santa Cruz | Aptos | Pac - West Telecomm, Inc. | Landline |
| (831) 306- | Santa Cruz | Watsonville | Pac - West Telecomm, Inc. | Landline |
| (831) 308- | Santa Cruz | Watsonville | Pac - West Telecomm, Inc. | Landline |
| (831) 309- | Monterey | Salinas | Pac - West Telecomm, Inc. | Landline |
| (831) 316- | Santa Cruz | Santa Cruz | Allegiance Telecom, Inc. - Ca | Landline |
| (831) 319- | Monterey | Moss Landing | Allegiance Telecom, Inc. - Ca | Landline |
| (831) 320- | Monterey | Salinas | Cellco Partnership Dba Veri... | Cell Phone |
| (831) 324- | Monterey | Marina | Comcast Phone Of California... | Landline |
| (831) 325- | Santa Cruz | Santa Cruz | Sprint Spectrum L.p. | Cell Phone |
| (831) 327- | Santa Clara | Palo Alto | Unknown | Landline |
| (831) 331- | Santa Cruz | Santa Cruz | New Cingular Wireless Pcs, Llc | Cell Phone |
| (831) 332- | Santa Cruz | Felton | New Cingular Wireless Pcs, Llc | Cell Phone |
| (831) 333- | Monterey | Monterey | Pacific Bell | Landline |
| (831) 334- | Santa Cruz | Santa Cruz | New Cingular Wireless Pcs, Llc | Cell Phone |
| (831) 335- | Santa Cruz | Felton | Pacific Bell | Landline |
| (831) 336- | Santa Cruz | Ben Lomond | Pacific Bell | Landline |
| (831) 337- | San Francisco | San Francisco | Mci Worldcom Communications... | Landline |
| (831) 338- | Santa Cruz | Boulder Creek | Pacific Bell | Landline |
| (831) 344- | Monterey | Carmel | Unknown | Landline |
| (831) 345- | Santa Cruz | Santa Cruz | Cellco Partnership Dba Veri... | Cell Phone |
| (831) 359- | Santa Cruz | Santa Cruz | Level 3 Communications, Llc... | Landline |
| (831) 364- | Santa Clara | Saratoga | Unknown | Landline |
| (831) 372- | Monterey | Monterey | Pacific Bell | Landline |
| (831) 373- | Monterey | Monterey | Pacific Bell | Landline |
| (831) 375- | Monterey | Monterey | Pacific Bell | Landline |
| (831) 377- | Santa Cruz | Felton | Unknown | Landline |
| (831) 378- | Monterey | Salinas | Unknown | Landline |
| (831) 382- | Monterey | San Lucas | Pacific Bell | Landline |
| (831) 383- | Monterey | King City | Metro Pcs, Inc. | Landline |
| (831) 384- | Monterey | Marina | Pacific Bell | Landline |
| (831) 385- | Monterey | King City | Pacific Bell | Landline |
| (831) 386- | Monterey | King City | Pacific Bell | Landline |
| (831) 387- | Monterey | Salinas | Pac - West Telecomm, Inc. | Landline |
| (831) 389- | San Benito | Paicines | Pinnacles Telephone Co. | Landline |
| (831) 392- | Monterey | Seaside | Pacific Bell | Landline |
| (831) 393- | Monterey | Seaside | Pacific Bell | Landline |
| (831) 394- | Monterey | Seaside | Pacific Bell | Landline |
| (831) 395- | Santa Clara | Los Gatos | Unknown | Landline |
| (831) 401- | Santa Cruz | Ben Lomond | Broadwing Communications, L... | Landline |
| (831) 402- | Monterey | Monterey | New Cingular Wireless Pcs, Llc | Cell Phone |
| (831) 406- | Santa Cruz | Watsonville | T-mobile Usa, Inc. | Cell Phone |
| (831) 417- | Monterey | Salinas | Pac - West Telecomm, Inc. | Landline |
| (831) 418- | Alameda | Oakland | American Messaging Services... | Landline |
| (831) 419- | Santa Cruz | Felton | New Cingular Wireless Pcs, Llc | Cell Phone |
| (831) 420- | Santa Cruz | Santa Cruz | Pacific Bell | Landline |
| (831) 421- | Santa Cruz | Santa Cruz | Pacific Bell | Landline |
| (831) 422- | Monterey | Salinas | Pacific Bell | Landline |
| (831) 423- | Santa Cruz | Santa Cruz | Pacific Bell | Landline |
| (831) 424- | Monterey | Salinas | Pacific Bell | Landline |
| (831) 425- | Santa Cruz | Santa Cruz | Pacific Bell | Landline |
