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
831-663 5 Salinas CA SLNSCA14RS0  9740 PACIFIC BELL 736      
831-663 6 Salinas CA SLNSCA14RS0  9740 PACIFIC BELL 736      
831-663 7 Salinas CA SLNSCA01XQX  6529 T-MOBILE USA, INC. 736      
831-663 8 Salinas CA SLNSCA14RS0  9740 PACIFIC BELL 736      
831-663 9 Salinas CA SLNSCA14RS0  9740 PACIFIC BELL 736      
831-664 A Hollister CA SLNSCA01XXX  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 736      
831-664 0 Hollister CA MTRYCA012MD  981E BANDWIDTH.COM CLEC, LLC - CA 736      
831-664 1 Hollister CA SLNSCA01XXX  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 736      
831-664 2 Hollister CA   649C ONVOY, LLC - CA 736      
831-664 4 Hollister CA SLNSCA01XQX  6529 T-MOBILE USA, INC. 736      
831-664 5 Hollister CA SLNSCA01XQX  6529 T-MOBILE USA, INC. 736      
831-664 6 Hollister CA SLNSCA01XQX  5562 METROPCS, INC. 736      
831-664 7 Hollister CA SLNSCA01X7Y  508J CENTURYLINK COMMUNICATIONS, LLC 736      
831-664 8 Hollister CA SLNSCA01XQX  5562 METROPCS, INC. 736      
831-664 9 Hollister CA SLNSCA01XXX  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 736      
831-665 A Hollister CA SLNSCA01XXX  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 736      
831-665 0 Hollister CA   145J TERRA NOVA TELECOM INC. 736      
831-665 1 Hollister CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736      
831-665 2 Hollister CA SLNSCA01XQX  5562 METROPCS, INC. 736      
831-665 3 Hollister CA SLNSCA01XQX  6529 T-MOBILE USA, INC. 736      
831-665 4 Hollister CA   6529 T-MOBILE USA, INC. 736      
831-665 5 Hollister CA MTRYCAPM5MD  145J TERRA NOVA TELECOM INC. 736      
831-665 6 Hollister CA SLNSCA01XXX  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 736      
831-665 7 Hollister CA   649C ONVOY, LLC - CA 736      
831-665 8 Hollister CA   649C ONVOY, LLC - CA 736      
831-665 9 Hollister CA SLNSCA01XQX  6529 T-MOBILE USA, INC. 736      
831-666 A Watsonville CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
831-666 0 Watsonville CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
831-666 1 Watsonville CA SNJUCACL3MD  073H TELNYX LLC 722      
831-666 2 Watsonville CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
831-666 3 Watsonville CA SNFCCA21XNZ  624H ONVOY SPECTRUM, LLC 722      
831-666 4 Watsonville CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
831-666 5 Watsonville CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
831-666 6 Watsonville CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
831-666 7 Watsonville CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
831-666 8 Watsonville CA OKLECAZVGT0  5562 METROPCS, INC. 722      
831-666 9 Watsonville CA OKLECAZVGT0  5562 METROPCS, INC. 722      
831-667 A Big Sur CA BGSRCA11RS0  9740 PACIFIC BELL 736      
831-667 0 Big Sur CA BGSRCA11RS0  9740 PACIFIC BELL 736      
831-667 1 Big Sur CA BGSRCA11RS0  9740 PACIFIC BELL 736      
831-667 2 Big Sur CA BGSRCA11RS0  9740 PACIFIC BELL 736      
831-667 3 Big Sur CA BGSRCA11RS0  9740 PACIFIC BELL 736      
831-667 4 Big Sur CA   145J TERRA NOVA TELECOM INC. 736      
831-667 5 Big Sur CA SLNSCA01XXX  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 736      
831-667 6 Big Sur CA MTRYCAPMDS0  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 736      
831-667 7 Big Sur CA SLNSCA01XGX  9262 UTILITY TELECOM GROUP, LLC - CA 736      
831-667 9 Big Sur CA MTRYCAPM5MD  145J TERRA NOVA TELECOM INC. 736      
831-673 A Hollister CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-673 0 Hollister CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-673 1 Hollister CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-673 2 Hollister CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-673 3 Hollister CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-673 4 Hollister CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-673 5 Hollister CA   6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-673 6 Hollister CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-673 7 Hollister CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-673 8 Hollister CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-673 9 Hollister CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-674 A Greenfield (Monterey) CA GNFDCA11RS0  9740 PACIFIC BELL 736      
831-674 0 Greenfield (Monterey) CA GNFDCA11RS0  9740 PACIFIC BELL 736      
831-674 1 Greenfield (Monterey) CA GNFDCA11RS0  9740 PACIFIC BELL 736      
831-674 2 Greenfield (Monterey) CA GNFDCA11RS0  9740 PACIFIC BELL 736      
831-674 3 Greenfield (Monterey) CA GNFDCA11RS0  9740 PACIFIC BELL 736      
831-674 4 Greenfield (Monterey) CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736      
831-674 5 Greenfield (Monterey) CA GNFDCA11RS0  9740 PACIFIC BELL 736      
831-674 6 Greenfield (Monterey) CA GNFDCA11RS0  9740 PACIFIC BELL 736      
831-674 7 Greenfield (Monterey) CA SLNSCA01XOX  776C CHARTER FIBERLINK CA-CCO, LLC - CA 736      
831-674 8 Greenfield (Monterey) CA GNFDCA11RS0  9740 PACIFIC BELL 736      
831-674 9 Greenfield (Monterey) CA GNFDCA11RS0  9740 PACIFIC BELL 736      
831-675 A Gonzales CA GNZLCA11RS0  9740 PACIFIC BELL 736      
831-675 0 Gonzales CA GNZLCA11RS0  9740 PACIFIC BELL 736      
831-675 1 Gonzales CA GNZLCA11RS0  9740 PACIFIC BELL 736      
831-675 2 Gonzales CA GNZLCA11RS0  9740 PACIFIC BELL 736      
831-675 3 Gonzales CA GNZLCA11RS0  9740 PACIFIC BELL 736      
831-675 4 Gonzales CA SLNSCA01X1X  7421 AT&T - LOCAL 736      
831-675 5 Gonzales CA SLNSCA01XOX  776C CHARTER FIBERLINK CA-CCO, LLC - CA 736      
831-675 6 Gonzales CA SLNSCA01XXX  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 736      
831-675 7 Gonzales CA   145J TERRA NOVA TELECOM INC. 736      
831-675 8 Gonzales CA GNZLCA11RS0  9740 PACIFIC BELL 736      
831-675 9 Gonzales CA   145J TERRA NOVA TELECOM INC. 736      
831-676 A Salinas CA SLNSCA01X1X  7421 AT&T - LOCAL 736      
831-676 0 Salinas CA SLNSCA01XHY  318J COMCAST IP PHONE, LLC 736      
831-676 1 Salinas CA SLNSCA01XQX  5562 METROPCS, INC. 736      
831-676 2 Salinas CA SLNSCA01X1Y  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 736      
831-676 3 Salinas CA SLNSCA01XHY  318J COMCAST IP PHONE, LLC 736      
831-676 4 Salinas CA SLNSCA01XQX  5562 METROPCS, INC. 736      
831-676 5 Salinas CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-676 6 Salinas CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-676 7 Salinas CA SLNSCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736      
831-676 8 Salinas CA SLNSCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736      
831-676 9 Salinas CA SLNSCA01X1X  7421 AT&T - LOCAL 736      
831-677 A Soledad CA SLNSCA011KD  7379 MATRIX TELECOM, LLC. S/I/I TNCI - CA 736      
831-677 1 Soledad CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-677 2 Soledad CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736      
831-677 3 Soledad CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736      
831-677 4 Soledad CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736      
831-677 5 Soledad CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736      
831-677 6 Soledad CA MTRYCA012MD  981E BANDWIDTH.COM CLEC, LLC - CA 736      
831-677 7 Soledad CA MTRYCAPM6MD  965H FRACTEL, LLC 736      
831-677 8 Soledad CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736      

<< 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.