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
831-322 3 Watsonville CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
831-322 4 Watsonville CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
831-322 5 Watsonville CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722      
831-322 6 Watsonville CA SNFCCA21XCZ  252F WIDE VOICE, LLC - CA 722      
831-322 7 Watsonville CA   6529 T-MOBILE USA, INC. 722      
831-322 8 Watsonville CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
831-322 9 Watsonville CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
831-324 A Monterey CA SLNSCA01XHY  318J COMCAST IP PHONE, LLC 736      
831-324 0 Monterey CA SLNSCA01XHY  318J COMCAST IP PHONE, LLC 736      
831-324 1 Monterey CA MTRYCAPMDS0  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 736      
831-324 2 Monterey CA SLNSCA01XQX  6529 T-MOBILE USA, INC. 736      
831-324 3 Monterey CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-324 4 Monterey CA SLNSCA01XHY  318J COMCAST IP PHONE, LLC 736      
831-324 5 Monterey CA SLNSCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736      
831-324 6 Monterey CA SLNSCA01XQY  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 736      
831-324 7 Monterey CA MTRYCAPMAMD  490J DISH WIRELESS, LLC 736      
831-324 8 Monterey CA SLNSCA01XQX  6529 T-MOBILE USA, INC. 736      
831-324 9 Monterey CA SLNSCA01XQX  6529 T-MOBILE USA, INC. 736      
831-325 A Santa Cruz CA   5562 METROPCS, INC. 722      
831-325 0 Santa Cruz CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
831-325 1 Santa Cruz CA OKLECAZVGT0  5562 METROPCS, INC. 722      
831-325 2 Santa Cruz CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
831-325 3 Santa Cruz CA OKLECAZVGT0  5562 METROPCS, INC. 722      
831-325 4 Santa Cruz CA OKLECAZVGT0  5562 METROPCS, INC. 722      
831-325 5 Santa Cruz CA   6529 T-MOBILE USA, INC. 722      
831-325 6 Santa Cruz CA OKLECAZVGT0  5562 METROPCS, INC. 722      
831-325 7 Santa Cruz CA OKLECAZVGT0  5562 METROPCS, INC. 722      
831-325 8 Santa Cruz CA OKLECAZVGT0  5562 METROPCS, INC. 722      
831-325 9 Santa Cruz CA   6529 T-MOBILE USA, INC. 722      
831-330 A Carmel CA SLNSCA01XCY  624H ONVOY SPECTRUM, LLC 736   2024-02-09   
831-330 0 Carmel CA SLNSCA01XCY  624H ONVOY SPECTRUM, LLC 736      
831-330 1 Carmel CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736      
831-330 2 Carmel CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736      
831-330 8 Carmel CA   649C ONVOY, LLC - CA 736      
831-330 9 Carmel CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 736      
831-331 A Santa Cruz CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
831-331 0 Santa Cruz CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
831-331 1 Santa Cruz CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
831-331 2 Santa Cruz CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
831-331 3 Santa Cruz CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
831-331 4 Santa Cruz CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
831-331 5 Santa Cruz CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
831-331 6 Santa Cruz CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
831-331 7 Santa Cruz CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
831-331 8 Santa Cruz CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
831-331 9 Santa Cruz CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
831-332 A Santa Cruz CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
831-332 0 Santa Cruz CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722      
831-332 1 Santa Cruz CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722      
831-332 2 Santa Cruz CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722      
831-332 3 Santa Cruz CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722      
831-332 4 Santa Cruz CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722      
831-332 5 Santa Cruz CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722      
831-332 6 Santa Cruz CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722      
831-332 7 Santa Cruz CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722      
831-332 8 Santa Cruz CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722      
831-332 9 Santa Cruz CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722      
831-333 A Monterey CA MTRYCA01DS0  9740 PACIFIC BELL 736      
831-333 0 Monterey CA MTRYCA01DS0  9740 PACIFIC BELL 736      
831-333 1 Monterey CA MTRYCA01DS0  9740 PACIFIC BELL 736      
831-333 2 Monterey CA MTRYCA01DS0  9740 PACIFIC BELL 736      
831-333 3 Monterey CA MTRYCA01DS0  9740 PACIFIC BELL 736      
831-333 4 Monterey CA MTRYCA01DS0  9740 PACIFIC BELL 736      
831-333 5 Monterey CA MTRYCA01DS0  9740 PACIFIC BELL 736      
831-333 6 Monterey CA SLNSCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736      
831-333 7 Monterey CA MTRYCA01DS0  9740 PACIFIC BELL 736      
831-333 8 Monterey CA MTRYCA01DS0  9740 PACIFIC BELL 736      
831-333 9 Monterey CA MTRYCA01DS0  9740 PACIFIC BELL 736      
831-334 A Santa Cruz CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
831-334 0 Santa Cruz CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722      
831-334 1 Santa Cruz CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722      
831-334 2 Santa Cruz CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722      
831-334 3 Santa Cruz CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722      
831-334 4 Santa Cruz CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722      
831-334 5 Santa Cruz CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722      
831-334 6 Santa Cruz CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722      
831-334 7 Santa Cruz CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722      
831-334 8 Santa Cruz CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722      
831-334 9 Santa Cruz CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722      
831-335 A Felton CA FETNCA11RS1  9740 PACIFIC BELL 722      
831-336 A Ben Lomond CA BNLMCA11RS2  9740 PACIFIC BELL 722      
831-336 0 Ben Lomond CA BNLMCA11RS2  9740 PACIFIC BELL 722      
831-336 1 Ben Lomond CA BNLMCA11RS2  9740 PACIFIC BELL 722      
831-336 2 Ben Lomond CA BNLMCA11RS2  9740 PACIFIC BELL 722      
831-336 3 Ben Lomond CA BNLMCA11RS2  9740 PACIFIC BELL 722      
831-336 4 Ben Lomond CA   145J TERRA NOVA TELECOM INC. 722      
831-336 5 Ben Lomond CA BNLMCA11RS2  9740 PACIFIC BELL 722      
831-336 6 Ben Lomond CA SNFCCA21XNZ  624H ONVOY SPECTRUM, LLC 722      
831-336 7 Ben Lomond CA SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722      
831-336 8 Ben Lomond CA BNLMCA11RS2  9740 PACIFIC BELL 722      
831-336 9 Ben Lomond CA BNLMCA11RS2  9740 PACIFIC BELL 722      
831-337 A Boulder Creek CA SNJSCARMDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
831-337 0 Boulder Creek CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
831-337 1 Boulder Creek CA SNJSCARMDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
831-337 2 Boulder Creek CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
831-337 3 Boulder Creek CA SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722      
831-337 4 Boulder Creek CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
831-337 5 Boulder Creek CA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
831-337 6 Boulder Creek CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722      
831-337 7 Boulder Creek CA SNVACAHZ0MD  508J CENTURYLINK COMMUNICATIONS, LLC 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: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.