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

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
831-536 1 Watsonville CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
831-536 2 Watsonville CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2004-09-24   
831-536 3 Watsonville CA SNRTCAHFDS0  433E SONIC TELECOM, LLC - CA 722   2012-12-22   
831-536 4 Watsonville CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-07-31   
831-536 5 Watsonville CA SNFCCA01XGX  516C AT&T CORP. 722   2007-02-26   
831-536 6 Watsonville CA SNVACAHZ0MD  508J CENTURYLINK COMMUNICATIONS, LLC 722   2014-04-09   
831-536 7 Watsonville CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2005-06-05   
831-536 8 Watsonville CA SNFCCA21XNZ  624H ONVOY SPECTRUM, LLC 722   2024-08-18   
831-536 9 Watsonville CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2005-06-05   
831-537 A Hollister CA SLNSCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736      
831-537 0 Hollister CA MTRYCA012MD  981E BANDWIDTH.COM CLEC, LLC - CA 736      
831-537 1 Hollister CA SLNSCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736   2018-02-23   
831-537 2 Hollister CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736   2024-07-27   
831-537 3 Hollister CA SLNSCA01X8Y  5562 METROPCS, INC. 736   2005-11-02   
831-537 4 Hollister CA SLNSCA01X8Y  5562 METROPCS, INC. 736   2005-11-02   
831-537 5 Hollister CA SLNSCA01X8Y  5562 METROPCS, INC. 736   2005-11-02   
831-537 6 Hollister CA SLNSCA01X8Y  5562 METROPCS, INC. 736   2007-08-05   
831-537 7 Hollister CA SLNSCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736   2006-07-08   
831-537 8 Hollister CA SLNSCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736   2007-02-09   
831-537 9 Hollister CA MTRYCAPMDS0  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 736   2016-01-04   
831-539 A Watsonville CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
831-539 0 Watsonville CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2015-07-31   
831-539 1 Watsonville CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
831-539 2 Watsonville CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2007-08-02   
831-539 3 Watsonville CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
831-539 4 Watsonville CA   649C ONVOY, LLC - CA 722   2021-07-30   
831-539 5 Watsonville CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2008-09-21   
831-539 6 Watsonville CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
831-539 7 Watsonville CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2006-04-06   
831-539 8 Watsonville CA OKLECAZV1MD  5562 METROPCS, INC. 722   2005-07-30   
831-539 9 Watsonville CA OKLECAZV1MD  5562 METROPCS, INC. 722      
831-540 A Salinas CA SLNSCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736      
831-540 0 Salinas CA SLNSCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736   2014-04-04   
831-540 1 Salinas CA   515J IP HORIZON LLC 736      
831-540 2 Salinas CA SLNSCA01XKY  506J TWILIO INTERNATIONAL, INC. 736      
831-540 3 Salinas CA SLNSCA01X8Y  5562 METROPCS, INC. 736   2010-01-04   
831-540 4 Salinas CA   515J IP HORIZON LLC 736      
831-540 5 Salinas CA SLNSCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736   2006-07-07   
831-540 6 Salinas CA SLNSCA01X8Y  5562 METROPCS, INC. 736   2005-11-03   
831-540 7 Salinas CA SLNSCA01X8Y  6529 T-MOBILE USA, INC. 736   2006-08-10   
831-540 8 Salinas CA SLNSCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736   2006-07-07   
831-540 9 Salinas CA SLNSCA01X8Y  6529 T-MOBILE USA, INC. 736   2006-11-16   
831-566 A Santa Cruz CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
831-572 A Aptos CA SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722      
831-572 0 Aptos CA SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722   2017-12-09   
831-572 1 Aptos CA SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722   2017-12-09   
831-572 2 Aptos CA SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722   2017-12-09   
831-572 3 Aptos CA SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722   2017-12-09   
831-572 4 Aptos CA SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722   2017-12-09   
831-572 5 Aptos CA SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722   2017-12-15   
831-572 6 Aptos CA SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722      
831-572 7 Aptos CA SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722      
831-572 8 Aptos CA SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722      
831-572 9 Aptos CA SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722      
831-574 A Carmel CA SLNSCA01XQY  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 736      
831-574 0 Carmel CA SLNSCA01XXX  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 736      
831-574 1 Carmel CA MTRYCA012MD  981E BANDWIDTH.COM CLEC, LLC - CA 736   2015-07-25   
831-574 2 Carmel CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736   2017-04-26   
831-574 3 Carmel CA SLNSCA01X5Y  516C AT&T CORP. 736   2008-06-05   
831-574 4 Carmel CA SLNSCA01XQY  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 736   2013-02-01   
831-574 5 Carmel CA SLNSCA01XXX  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 736   2011-12-31   
831-574 6 Carmel CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736   2007-11-05   
831-574 7 Carmel CA SLNSCA01X7Y  508J CENTURYLINK COMMUNICATIONS, LLC 736   2015-11-09   
831-574 8 Carmel CA SLNSCA01XHY  394L COMCAST PHONE OF CALIFORNIA, LLC 736   2015-08-01   
831-574 9 Carmel CA SLNSCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736   2016-07-05   
831-575 A Santa Cruz CA SNTCCA0102T  9740 PACIFIC BELL 722      
831-576 A Santa Cruz CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2024-01-21   
831-576 0 Santa Cruz CA SNFCCAMKX1Y  996H AIRESPRING, INC. 722   2020-05-18   
831-576 1 Santa Cruz CA SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722      
831-576 2 Santa Cruz CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2007-09-07   
831-576 3 Santa Cruz CA SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722      
831-576 4 Santa Cruz CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
831-576 5 Santa Cruz CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
831-576 6 Santa Cruz CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
831-576 7 Santa Cruz CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2021-04-01   
831-576 8 Santa Cruz CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
831-576 9 Santa Cruz CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
831-578 A Salinas CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-578 0 Salinas CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-578 1 Salinas CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-578 2 Salinas CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-578 3 Salinas CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-578 4 Salinas CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-578 5 Salinas CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-578 6 Salinas CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-578 7 Salinas CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-578 8 Salinas CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736   2005-04-16   
831-578 9 Salinas CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736   2005-12-17   
831-580 A Gonzales CA   515J IP HORIZON LLC 736      
831-580 0 Gonzales CA   515J IP HORIZON LLC 736   2022-06-22   
831-580 1 Gonzales CA   515J IP HORIZON LLC 736      
831-580 2 Gonzales CA   515J IP HORIZON LLC 736      
831-580 3 Gonzales CA SLNSCA01X1Y  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 736   2019-10-12   
831-580 4 Gonzales CA   515J IP HORIZON LLC 736   2022-08-18   
831-580 5 Gonzales CA   515J IP HORIZON LLC 736   2022-08-18   
831-580 6 Gonzales CA   515J IP HORIZON LLC 736   2022-08-18   
831-580 7 Gonzales CA SLNSCA01X8Y  5562 METROPCS, INC. 736   2005-04-24   
831-580 8 Gonzales CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736   2021-06-06   
831-580 9 Gonzales CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736   2021-06-06   
831-582 A Monterey CA MARNCA11DS0  9740 PACIFIC BELL 736      

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Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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