Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 831 [Rate centres in NPA 831] [Dial plan for NPA 831]

Block: A

<< 1 2 3 4 5 6 7 8 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
831-254 A Watsonville CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
831-255 A Santa Cruz CA SNFCCACQDS0  7894 NORTH COUNTY COMMUNICATION CORPORATION - CA 722      
831-256 A Salinas CA SLNSCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736      
831-257 A Aptos CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
831-258 A Salinas CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-259 A Monterey CA SLNSCA01XQY  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 736      
831-260 A Soledad CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-261 A Salinas CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-262 A Salinas CA SLNSCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736      
831-263 A King City CA SLNSCA01DS1  4129 O1 COMMUNICATIONS, INC. - CA 736      
831-264 A Monterey CA MTRYCA012MD  981E BANDWIDTH.COM CLEC, LLC - CA 736      
831-265 A Hollister CA SLNSCA01X5Y  516C AT&T CORP. 736      
831-266 A Santa Cruz CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
831-267 A Big Sur CA SLNSCA01XQY  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 736      
831-268 A Felton CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2024-01-21   
831-269 A Salinas CA SLNSCA01X1Y  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 736      
831-270 A Salinas CA SLNSCA01XQY  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 736      
831-271 A Hollister CA SLNSCA01XBY  073H TELNYX LLC 736      
831-272 A Salinas CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736   2024-01-27   
831-273 A Salinas CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736      
831-274 A Watsonville CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
831-275 A Monterey CA MTRYCA012MD  981E BANDWIDTH.COM CLEC, LLC - CA 736      
831-276 A Salinas CA SLNSCA01XAY  073H TELNYX LLC 736      
831-277 A Monterey CA SLNSCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736      
831-278 A Ben Lomond CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
831-279 A Salinas CA MTRYCAPMAMD  490J DISH WIRELESS, LLC 736      
831-280 A Aptos CA SNJUCACL4MD  939H COMMIO, LLC 722      
831-281 A Santa Cruz CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
831-282 A Monterey CA SLNSCA01XFY  515J IP HORIZON LLC 736      
831-283 A Carmel Valley CA MTRYCAPM1MD  939H COMMIO, LLC 736      
831-284 A Watsonville CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
831-285 A Watsonville CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
831-286 A Greenfield (Monterey) CA   649C ONVOY, LLC - CA 736   2024-05-12   
831-287 A Salinas CA SLNSCA01XPX  258E YMAX COMMUNICATIONS CORP. - CA 736      
831-288 A Watsonville CA WTVLCADV0MD  776C CHARTER FIBERLINK CA-CCO, LLC - CA 722      
831-289 A Ben Lomond CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722      
831-290 A Gonzales CA SLNSCA01XQY  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 736      
831-291 A Santa Cruz CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
831-292 A Soledad CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-293 A Carmel CA SLNSCA01XXX  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 736      
831-294 A Salinas CA   6010 NEW CINGULAR WIRELESS PCS, LLC 736   2024-05-16   
831-295 A Santa Cruz CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
831-296 A Salinas CA SLNSCA01XXX  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 736      
831-297 A Hollister CA SLNSCA01XQX  6529 T-MOBILE USA, INC. 736      
831-298 A Carmel Valley CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736      
831-299 A Tres Pinos CA SLNSCA01XXX  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 736      
831-300 A Big Sur CA SLNSCA01XXX  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 736      
831-301 A San Juan CA MTRYCAPMDS0  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 736      
831-302 A San Lucas CA SLNSCA01XXX  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 736      
831-303 A San Ardo CA MTRYCAPMDS0  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 736      

<< 1 2 3 4 5 6 7 8 >>

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.