Active Prefixes in Area Code 831

Prefix Location Company
831-200 MONTEREY Peerless Network of California LLC - CA
831-201 SAN FRANCISCO Cellco Partnership dba Verizon Wireless - CA
831-202 California
831-203 Salinas, CA American Messaging Services
831-204 Monterey, CA Ymax Communications Corp.
831-205 Hollister, CA Teleport Communications Group - San Francisco
831-206 Salinas, CA Cellco Partnership DBA Verizon Wireless
831-207 Hollister, CA Sprint Spectrum L.p.
831-210 Monterey, CA T-mobile Usa
831-212 Santa Cruz, CA Sprint Spectrum L.p.
831-214 Salinas, CA New Cingular Wireless PCS
831-216 Felton, CA Teleport Communications Group - San Francisco
831-217 Boulder Creek, CA Teleport Communications Group - San Francisco
831-218 Ben Lomond, CA Teleport Communications Group - San Francisco
831-219 Aptos, CA Teleport Communications Group - San Francisco
831-220 California
831-221 San Ardo, CA O1 Communications
831-222 Felton, CA U.s. Telepacific Corp.
831-223 Soledad, CA Pac - West Telecomm
831-224 Monterey, CA T-mobile Usa
831-225 MONTEREY T-Mobile USA Inc
831-226 SAN FRANCISCO Comcast Phone of California LLC - CA
831-227 Santa Cruz, CA Cellco Partnership DBA Verizon Wireless
831-228 Monterey Kmc Telecom V, Inc.-Ca
831-229 Salinas, CA New Cingular Wireless PCS
831-230 MONTEREY TELNYX LLC
831-232 Salinas, CA O1 Communications
831-233 Salinas, CA Level 3 Communications
831-234 Santa Cruz, CA Cellco Partnership DBA Verizon Wireless
831-235 Salinas, CA Cellco Partnership DBA Verizon Wireless
831-236 Monterey, CA Cellco Partnership DBA Verizon Wireless
831-237 Soledad, CA O1 Communications
831-238 Carmel, CA New Cingular Wireless PCS
831-239 Santa Cruz, CA New Cingular Wireless PCS
831-240 Salinas, CA T-mobile Usa
831-241 Salinas, CA AT&T Local
831-242 Monterey, CA Pacific Bell
831-243 Greenfield Network Services Llc
831-244 Big Sur, CA O1 Communications
831-245 Hollister, CA O1 Communications
831-246 Ben Lomond, CA Cellco Partnership DBA Verizon Wireless
831-247 Santa Cruz, CA Cellco Partnership DBA Verizon Wireless
831-249 Big Sur, CA Sbc Internet Services
831-250 Carmel, CA O1 Communications
831-251 Aptos, CA New Cingular Wireless PCS
831-252 Ben Lomond, CA New Cingular Wireless PCS
831-254 Watsonville, CA New Cingular Wireless PCS
831-255 Santa Cruz, CA North County Communications Corp.
831-256 MONTEREY Comcast Phone of California LLC - CA
831-257 SAN FRANCISCO Broadvox-CLEC LLC - CA
831-258 MONTEREY T-Mobile USA Inc
831-261 Salinas, CA New Cingular Wireless PCS
831-262 Salinas, CA Cellco Partnership DBA Verizon Wireless
831-263 King City, CA O1 Communications
831-264 Salinas, CA O1 Communications
831-265 Hollister, CA Sbc Internet Services
831-267 Big Sur, CA Mpower Networks Services Inc.
831-268 SAN FRANCISCO Broadvox-CLEC LLC - CA
831-269 Salinas, CA Teleport Communications Group - San Francisco
831-271 Soledad Network Services Llc
831-272 Salinas, CA Cf Communications DBA Telekenex
831-273 MONTEREY Broadvox-CLEC LLC - CA
831-274 Watsonville, CA Broadwing Communications
831-275 Monterey, CA Bandwidth.com Clec
831-276 MONTEREY T-Mobile USA Inc
831-277 Monterey, CA Cellco Partnership DBA Verizon Wireless
831-278 Ben Lomond, CA Cellco Partnership DBA Verizon Wireless
831-281 Santa Cruz, CA American Messaging (am)
831-282 Watsonville, CA American Messaging (am)
831-283 Carmel, CA American Messaging (am)
831-284 Hollister, CA American Messaging (am)
831-285 King City, CA American Messaging (am)
831-286 Soledad, CA American Messaging (am)
831-287 Salinas, CA Ymax Communications Corp.
831-288 Watsonville, CA Charter Fiberlink Ca-cco
831-290 Gonzales, CA U.s. Telepacific Corp.
831-291 Santa Cruz, CA Cellco Partnership DBA Verizon Wireless
831-292 California
831-293 Carmel, CA Tw Telecom Of California Lp
831-295 Santa Cruz, CA T-mobile Usa
831-296 Salinas, CA Level 3 Communications
831-297 Hollister, CA T-mobile Usa
831-298 Salinas, CA O1 Communications
831-299 Tres Pinos, CA Pac - West Telecomm
831-300 Big Sur, CA Pac - West Telecomm
831-301 Salinas, CA Pac - West Telecomm
831-302 King City, CA Pac - West Telecomm
831-303 San Ardo, CA Pac - West Telecomm
831-304 Greenfield, CA Pac - West Telecomm
831-305 Gonzales, CA Pac - West Telecomm
831-306 Salinas, CA Pac - West Telecomm
831-307 Salinas, CA Pac - West Telecomm
831-308 Salinas, CA Pac - West Telecomm
831-309 Carmel, CA Pac - West Telecomm
831-313 Hollister, CA Charter Fiberlink Ca-cco
831-315 MONTEREY Broadvox-CLEC LLC - CA
831-316 Santa Cruz, CA Allegiance Telecom
831-318 SAN FRANCISCO Broadvox-CLEC LLC - CA
831-319 Watsonville, CA Allegiance Telecom
831-320 Salinas, CA Cellco Partnership DBA Verizon Wireless
831-322 SAN FRANCISCO Onvoy LLC - CA
831-324 Monterey, CA Comcast Phone Of California
831-325 Santa Cruz, CA Sprint Spectrum L.p.
831-331 Santa Cruz, CA New Cingular Wireless PCS
831-332 Santa Cruz, CA New Cingular Wireless PCS
831-333 Monterey, CA Pacific Bell
831-334 Santa Cruz, CA New Cingular Wireless PCS
831-335 Felton, CA Pacific Bell
831-336 Ben Lomond, CA Pacific Bell
831-337 Boulder Creek, CA Mci Worldcom Communications, Ca
831-338 Boulder Creek, CA Pacific Bell
831-344 Boulder Creek Network Services Llc
831-345 Santa Cruz, CA Cellco Partnership DBA Verizon Wireless
831-346 SAN FRANCISCO New Cingular Wireless PCS LLC
831-349 Monterey Pacific Bell - Ca
831-350 Tres Pinos, CA Level 3 Communications
831-353 SAN FRANCISCO Neutral Tandem-California LLC - CA
831-359 Santa Cruz, CA Level 3 Communications
831-372 Monterey, CA Pacific Bell
831-373 Monterey, CA Pacific Bell
831-375 Monterey, CA Pacific Bell
831-382 King City, CA Pacific Bell
831-383 Monterey, CA Metro PCS
831-384 Marina, CA Pacific Bell
831-385 King City, CA Pacific Bell
831-386 King City, CA Pacific Bell
831-387 King City, CA Pac - West Telecomm
831-389 Tres Pinos, CA Pinnacles Telephone Co.
831-392 Monterey, CA Pacific Bell
831-393 Monterey, CA Pacific Bell
831-394 Monterey, CA Pacific Bell
831-400 San Juan Bautista Network Services Llc
831-401 Ben Lomond, CA Broadwing Communications
831-402 Monterey, CA New Cingular Wireless PCS
831-403 King City Network Services Llc
831-404 Gonzales Network Services Llc
831-406 Watsonville, CA T-mobile Usa
831-417 Salinas, CA Pac - West Telecomm
831-418 Santa Cruz, CA American Messaging Services
831-419 Santa Cruz, CA New Cingular Wireless PCS
831-420 Santa Cruz, CA Pacific Bell
831-421 Santa Cruz, CA Pacific Bell
831-422 Salinas, CA Pacific Bell
831-423 Santa Cruz, CA Pacific Bell
831-424 Salinas, CA Pacific Bell
831-425 Santa Cruz, CA Pacific Bell
831-426 Santa Cruz, CA Pacific Bell
831-427 Santa Cruz, CA Pacific Bell
831-428 Santa Cruz, CA Sprint Spectrum L.p.
831-429 Santa Cruz, CA Pacific Bell
831-430 Santa Cruz, CA Pacific Bell
831-431 Santa Cruz, CA Pacific Bell
831-435 Santa Cruz, CA Pacific Bell
831-438 Santa Cruz, CA Pacific Bell
831-439 Santa Cruz, CA Pacific Bell
831-440 Santa Cruz, CA Pacific Bell
831-442 Salinas, CA Pacific Bell
831-443 Salinas, CA Pacific Bell
831-444 Salinas, CA Pacific Bell
831-449 Salinas, CA Pacific Bell
831-453 Castroville, CA Sbc Internet Services
831-454 Santa Cruz, CA Pacific Bell
831-455 Salinas, CA Pacific Bell
831-457 Santa Cruz, CA Pacific Bell
831-458 Santa Cruz, CA Pacific Bell
831-459 Santa Cruz, CA Pacific Bell
831-460 Santa Cruz, CA Pacific Bell
831-461 Santa Cruz, CA Pacific Bell
831-462 Santa Cruz, CA Pacific Bell
831-464 Santa Cruz, CA Pacific Bell
831-465 Santa Cruz, CA Pacific Bell
831-466 Santa Cruz, CA Pacific Bell
831-469 Santa Cruz, CA Pacific Bell
831-470 Monterey Pacific Bell Ca
831-471 Santa Cruz, CA Pacific Bell
831-475 Santa Cruz, CA Pacific Bell
831-476 Santa Cruz, CA Pacific Bell
831-477 Santa Cruz, CA Pacific Bell
831-479 Santa Cruz, CA Pacific Bell
831-480 Santa Cruz, CA Pac - West Telecomm
831-484 Salinas, CA Pacific Bell
831-498 Watsonville, CA O1 Communications
831-500 MONTEREY CF Communications LLC dba Telekenex - CA
831-502 Santa Cruz, CA Pacific Bell
831-508 Felton, CA O1 Communications
831-512 Salinas, CA Sprint Spectrum L.p.
831-515 Santa Cruz, CA Mpower Communications Corp
831-520 Monterey, CA American Messaging Services
831-521 Monterey, CA New Cingular Wireless PCS
831-524 Hollister, CA New Cingular Wireless PCS
831-525 King City, CA Pac - West Telecomm
831-531 Aptos, CA Xo California
831-532 Ben Lomond, CA Xo California
831-533 Boulder Creek, CA Xo California
831-534 Felton, CA Xo California
831-535 Santa Cruz, CA Xo California
831-536 Watsonville, CA Xo California
831-537 Hollister, CA Pac - West Telecomm
831-539 Watsonville, CA Sprint Spectrum L.p.
831-540 Salinas, CA O1 Communications
831-555 Santa Clara Pacific Bell
831-560 Aptos, CA American Messaging (am)
831-566 Santa Cruz, CA Cellco Partnership DBA Verizon Wireless
831-572 Aptos, CA The Telephone Connection Local Services
831-574 Santa Cruz, CA Pac - West Telecomm
831-575 Santa Cruz Pacific Bell - Ca
831-576 Santa Cruz, CA Pac - West Telecomm
831-578 Salinas, CA New Cingular Wireless PCS
831-580 Gonzales, CA O1 Communications
831-582 Marina, CA Pacific Bell
831-583 Monterey, CA Pacific Bell
831-585 Salinas, CA Sprint Spectrum L.p.
831-586 Salinas, CA O1 Communications
831-588 Santa Cruz, CA Cellco Partnership DBA Verizon Wireless
831-592 Salinas Arch Wireless Holdings, Inc.
831-593 San Juan Bautista, CA Pac - West Telecomm
831-594 Salinas, CA New Cingular Wireless PCS
831-595 Salinas, CA New Cingular Wireless PCS
831-596 Salinas, CA New Cingular Wireless PCS
831-597 Salinas, CA Pac - West Telecomm
831-598 Salinas, CA American Messaging (am)
831-600 Santa Cruz, CA U.s. Telepacific Corp.
831-601 Monterey, CA Cellco Partnership DBA Verizon Wireless
831-603 Aptos, CA Pac - West Telecomm
831-604 Ben Lomond, CA Pac - West Telecomm
831-607 Aptos, CA O1 Communications
831-609 Ben Lomond, CA O1 Communications
831-610 Boulder Creek, CA O1 Communications
831-612 Aptos, CA Broadwing Communications
831-613 Greenfield, CA Pac - West Telecomm
831-618 Boulder Creek, CA Pac - West Telecomm
831-620 Carmel, CA Pacific Bell
831-621 Santa Cruz, CA Broadwing Communications
831-622 Carmel, CA Pacific Bell
831-623 San Juan Bautista, CA Pacific Bell
831-624 Carmel, CA Pacific Bell
831-625 Carmel, CA Pacific Bell
831-626 Carmel, CA Pacific Bell
831-627 San Ardo, CA Pacific Bell
831-628 Tres Pinos, CA Pacific Bell
831-630 Hollister, CA Pacific Bell
831-632 Castroville, CA Pacific Bell
831-633 Castroville, CA Pacific Bell
831-634 Hollister, CA Pacific Bell
831-635 Hollister, CA Pacific Bell
831-636 Hollister, CA Pacific Bell
831-637 Hollister, CA Pacific Bell
831-638 Hollister, CA Pacific Bell
831-639 Watsonville Network Services Llc
831-641 Monterey, CA Pacific Bell
831-642 Monterey, CA Pacific Bell
831-643 Monterey, CA Pacific Bell
831-644 Monterey, CA Pacific Bell
831-645 Monterey, CA Pacific Bell
831-646 Monterey, CA Pacific Bell
831-647 Monterey, CA Pacific Bell
831-648 Monterey, CA Pacific Bell
831-649 Monterey, CA Pacific Bell
831-652 Carmel Valley, CA Pac - West Telecomm
831-653 King City, CA O1 Communications
831-655 Monterey, CA Pacific Bell
831-656 Monterey, CA Pacific Bell
831-657 Monterey, CA Pacific Bell
831-658 Monterey, CA Pacific Bell
831-659 Carmel Valley, CA Pacific Bell
831-661 Aptos, CA Pacific Bell
831-662 Aptos, CA Pacific Bell
831-663 Salinas, CA Pacific Bell
831-664 Hollister, CA Pac - West Telecomm
831-665 Hollister, CA Pac - West Telecomm
831-666 SAN FRANCISCO New Cingular Wireless PCS LLC
831-667 Big Sur, CA Pacific Bell
831-673 Hollister, CA New Cingular Wireless PCS
831-674 Greenfield, CA Pacific Bell
831-675 Gonzales, CA Pacific Bell
831-676 Salinas, CA AT&T Local
831-677 Soledad, CA Pac - West Telecomm
831-678 Soledad, CA Pacific Bell
831-679 Chualar, CA Pacific Bell
831-682 Salinas, CA Cellco Partnership DBA Verizon Wireless
831-684 Aptos, CA Pacific Bell
831-685 Aptos, CA Pacific Bell
831-687 Aptos, CA Pacific Bell
831-688 Aptos, CA Pacific Bell
831-689 Aptos, CA Pacific Bell
831-693 Cantua Creek, CA Pinnacles Telephone Co.
831-702 Carmel Network Services Llc
831-703 Boulder Creek, CA Tw Telecom Of California Lp
831-704 Felton, CA 360networks (usa) Inc.
831-705 Chualar, CA U.s. Telepacific Corp.
831-706 Santa Cruz, CA Tw Telecom Of California Lp
831-707 Watsonville, CA Tw Telecom Of California Lp
831-708 Aptos, CA O1 Communications
831-709 Ben Lomond, CA Level 3 Communications
831-710 Salinas, CA New Cingular Wireless PCS
831-713 Santa Cruz, CA O1 Communications
831-717 Salinas, CA Pac - West Telecomm
831-718 Monterey, CA Mci Worldcom Communications, Ca
831-722 Watsonville, CA Pacific Bell
831-724 Watsonville, CA Pacific Bell
831-726 Aromas, CA Pacific Bell
831-728 Watsonville, CA Pacific Bell
831-731 Salinas, CA O1 Communications
831-732 San Ardo, CA Pac - West Telecomm
831-735 Santa Cruz Pacific Bell - Ca
831-737 Salinas, CA U.s. Telepacific Corp.
831-740 Watsonville, CA Teleport Communications Group - San Francisco
831-741 Castroville, CA Pac - West Telecomm
831-744 Gonzales, CA Pac - West Telecomm
831-747 Monterey, CA Sbc Internet Services
831-750 Watsonville, CA Sprint Spectrum L.p.
831-751 Salinas, CA Pacific Bell
831-753 Salinas, CA Pacific Bell
831-754 Salinas, CA Pacific Bell
831-755 Salinas, CA Pacific Bell
831-756 Salinas, CA Utility Telephone
831-757 Salinas, CA Pacific Bell
831-758 Salinas, CA Pacific Bell
831-759 Salinas, CA Pacific Bell
831-760 Monterey, CA Sprint Spectrum L.p.
831-761 Watsonville, CA Pacific Bell
831-763 Watsonville, CA Pacific Bell
831-766 Salinas Pacific Bell - Ca
831-767 Salinas Pacific Bell - Ca
831-768 Watsonville, CA Pacific Bell
831-769 Salinas, CA Pacific Bell
831-770 Salinas, CA Pacific Bell
831-771 Salinas, CA Pacific Bell
831-772 Salinas, CA Pacific Bell
831-774 Gonzales, CA Mpower Communications Corp
831-775 Salinas, CA Pacific Bell
831-776 Salinas, CA Sprint Spectrum L.p.
831-778 King City, CA Pac - West Telecomm
831-781 Greenfield Level 3 Communications
831-783 Salinas, CA Pacific Bell
831-784 Salinas, CA Pacific Bell
831-785 Salinas, CA Pac - West Telecomm
831-786 Watsonville, CA Pacific Bell
831-789 Salinas, CA Pac - West Telecomm
831-794 Salinas, CA Metro PCS
831-796 Salinas, CA Pacific Bell
831-800 Salinas, CA Vaya Telecom
831-801 Hollister, CA Cellco Partnership DBA Verizon Wireless
831-802 Hollister Network Services Llc
831-809 Salinas, CA Cellco Partnership DBA Verizon Wireless
831-816 Carmel Pacific Bell - Ca
831-818 Santa Cruz, CA Cellco Partnership DBA Verizon Wireless
831-821 Tres Pinos, CA Cellco Partnership DBA Verizon Wireless
831-824 Santa Cruz, CA Teleport Communications Group - San Francisco
831-840 Watsonville, CA New Cingular Wireless PCS
831-844 Big Sur, CA Pac - West Telecomm
831-850 Felton, CA Pac - West Telecomm
831-851 Watsonville, CA Pac - West Telecomm
831-854 Santa Cruz, CA Pac - West Telecomm
831-855 Salinas, CA Pac - West Telecomm
831-856 Greenfield, CA O1 Communications
831-867 MONTEREY COMMIO LLC
831-869 Monterey, CA Sprint Spectrum L.p.
831-883 Marina, CA Pacific Bell
831-884 Marina, CA Pacific Bell
831-886 Salinas, CA Pac - West Telecomm
831-887 Salinas, CA Pac - West Telecomm
831-888 SAN FRANCISCO Onvoy LLC - CA
831-889 California
831-899 Monterey, CA Pacific Bell
831-900 SAN FRANCISCO Broadvox-CLEC LLC - CA
831-901 Monterey, CA Sprint Spectrum L.p.
831-902 Hollister, CA Sprint Spectrum L.p.
831-905 Salinas, CA New Cingular Wireless PCS
831-908 Salinas Network Services Llc (Tsr)
831-910 Hollister Network Services Llc (Tsr)
831-912 Monterey, CA American Messaging (am)
831-915 Monterey, CA New Cingular Wireless PCS
831-917 Monterey, CA New Cingular Wireless PCS
831-920 Monterey, CA Level 3 Communications
831-921 Tres Pinos, CA Pac - West Telecomm
831-948 SAN FRANCISCO Utility Telecom Group LLC - CA
831-970 Salinas, CA Sprint Spectrum L.p.
831-975 Salinas, CA Pac - West Telecomm
831-996 Tres Pinos, CA O1 Communications
831-998 Salinas, CA Mci Worldcom Communications, Ca
831-999 Salinas Pacific Bell - Ca