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]

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
831-383 9 Monterey CA SLNSCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736      
831-384 A Monterey CA MARNCA11DS0  9740 PACIFIC BELL 736      
831-385 A King City CA KGCYCA11DS1  9740 PACIFIC BELL 736      
831-386 A King City CA KGCYCA11DS1  9740 PACIFIC BELL 736      
831-386 0 King City CA KGCYCA11DS1  9740 PACIFIC BELL 736      
831-386 1 King City CA SLNSCA01XOX  776C CHARTER FIBERLINK CA-CCO, LLC - CA 736      
831-386 2 King City CA KGCYCA11DS1  9740 PACIFIC BELL 736      
831-386 3 King City CA KGCYCA11DS1  9740 PACIFIC BELL 736      
831-386 4 King City CA KGCYCA11DS1  9740 PACIFIC BELL 736      
831-386 5 King City CA KGCYCA11DS1  9740 PACIFIC BELL 736      
831-386 6 King City CA SLNSCA01XQX  5562 METROPCS, INC. 736      
831-386 7 King City CA KGCYCA11DS1  9740 PACIFIC BELL 736      
831-386 8 King City CA KGCYCA11DS1  9740 PACIFIC BELL 736      
831-386 9 King City CA KGCYCA11DS1  9740 PACIFIC BELL 736      
831-387 A King City CA MTRYCA012MD  981E BANDWIDTH.COM CLEC, LLC - CA 736      
831-387 0 King City CA MTRYCA012MD  981E BANDWIDTH.COM CLEC, LLC - CA 736      
831-387 1 King City CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736      
831-387 2 King City CA MTRYCAPMDS0  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 736      
831-387 3 King City CA SLNSCA01X1Y  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 736      
831-387 4 King City CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736      
831-387 5 King City CA SLNSCA01XGX  9262 UTILITY TELECOM GROUP, LLC - CA 736      
831-387 6 King City CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736      
831-387 7 King City CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736      
831-387 8 King City CA MTRYCA012MD  981E BANDWIDTH.COM CLEC, LLC - CA 736      
831-387 9 King City CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736      
831-388 A Greenfield (Monterey) CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736      
831-388 0 Greenfield (Monterey) CA SLNSCA01XQX  5562 METROPCS, INC. 736      
831-388 1 Greenfield (Monterey) CA MTRYCAPM1MD  939H COMMIO, LLC 736      
831-388 2 Greenfield (Monterey) CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736      
831-388 3 Greenfield (Monterey) CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736      
831-388 4 Greenfield (Monterey) CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736      
831-388 5 Greenfield (Monterey) CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736      
831-388 6 Greenfield (Monterey) CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736      
831-388 7 Greenfield (Monterey) CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736      
831-388 9 Greenfield (Monterey) CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736      
831-389 A Pinnacles CA PNCLCAXFDS0  2346 PINNACLES TEL. CO. 736      
831-392 A Monterey CA SESDCA11DS0  9740 PACIFIC BELL 736      
831-392 0 Monterey CA SESDCA11DS0  9740 PACIFIC BELL 736      
831-392 1 Monterey CA SESDCA11DS0  9740 PACIFIC BELL 736      
831-392 2 Monterey CA   145J TERRA NOVA TELECOM INC. 736      
831-392 3 Monterey CA SESDCA11DS0  9740 PACIFIC BELL 736      
831-392 5 Monterey CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-392 6 Monterey CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-392 7 Monterey CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-392 9 Monterey CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736      
831-393 A Monterey CA SESDCA11DS0  9740 PACIFIC BELL 736      
831-393 0 Monterey CA SESDCA11DS0  9740 PACIFIC BELL 736      
831-393 1 Monterey CA SESDCA11DS0  9740 PACIFIC BELL 736      
831-393 2 Monterey CA SESDCA11DS0  9740 PACIFIC BELL 736      
831-393 3 Monterey CA SESDCA11DS0  9740 PACIFIC BELL 736      
831-393 4 Monterey CA   649C ONVOY, LLC - CA 736      
831-393 5 Monterey CA SLNSCA01XQX  5562 METROPCS, INC. 736      
831-393 6 Monterey CA SESDCA11DS0  9740 PACIFIC BELL 736      
831-393 7 Monterey CA SESDCA11DS0  9740 PACIFIC BELL 736      
831-393 8 Monterey CA SESDCA11DS0  9740 PACIFIC BELL 736      
831-393 9 Monterey CA SESDCA11DS0  9740 PACIFIC BELL 736      
831-394 A Monterey CA SESDCA11DS0  9740 PACIFIC BELL 736      
831-400 A Santa Cruz CA SNFCCAMKX3Y  597F VOIP INNOVATIONS, LLC 722      
831-400 0 Santa Cruz CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
831-400 1 Santa Cruz CA SNFCCAMKX3Y  597F VOIP INNOVATIONS, LLC 722      
831-400 2 Santa Cruz CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
831-400 3 Santa Cruz CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
831-400 4 Santa Cruz CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
831-400 5 Santa Cruz CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
831-400 6 Santa Cruz CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
831-400 7 Santa Cruz CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
831-400 8 Santa Cruz CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
831-400 9 Santa Cruz CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
831-401 A Ben Lomond CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
831-401 0 Ben Lomond CA   145J TERRA NOVA TELECOM INC. 722      
831-401 1 Ben Lomond CA   145J TERRA NOVA TELECOM INC. 722      
831-401 2 Ben Lomond CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
831-401 3 Ben Lomond CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
831-401 4 Ben Lomond CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
831-401 5 Ben Lomond CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
831-401 6 Ben Lomond CA SNFCCA21XNZ  624H ONVOY SPECTRUM, LLC 722      
831-401 7 Ben Lomond CA SNFCCA21XNZ  624H ONVOY SPECTRUM, LLC 722      
831-401 8 Ben Lomond CA SNFCCA21XPZ  553J WHITESKY COMMUNICATIONS, LLC 722      
831-401 9 Ben Lomond CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
831-402 A Monterey CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-402 0 Monterey CA   6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-402 1 Monterey CA   6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-402 2 Monterey CA   6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-402 3 Monterey CA   6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-402 4 Monterey CA   6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-402 5 Monterey CA   6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-402 6 Monterey CA   6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-402 7 Monterey CA   6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-402 8 Monterey CA   6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-402 9 Monterey CA   6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-406 A Watsonville CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
831-406 0 Watsonville CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
831-406 1 Watsonville CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
831-406 2 Watsonville CA OKLECAZVGT0  5562 METROPCS, INC. 722      
831-406 3 Watsonville CA OKLECAZVGT0  5562 METROPCS, INC. 722      
831-406 4 Watsonville CA OKLECAZVGT0  5562 METROPCS, INC. 722      
831-406 5 Watsonville CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
831-406 6 Watsonville CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
831-406 7 Watsonville CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
831-406 8 Watsonville CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 >>

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.