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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
831-732 5 San Ardo CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736   2010-11-28   
831-732 7 San Ardo CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736   2019-09-13   
831-732 8 San Ardo CA SLNSCA01XCY  624H ONVOY SPECTRUM, LLC 736   2024-01-05   
831-732 9 San Ardo CA SLNSCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736   2024-07-22   
831-737 A Salinas CA SLNSCA01XQY  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 736      
831-737 0 Salinas CA SLNSCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736   2007-09-16   
831-737 1 Salinas CA SLNSCA01XQY  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 736   2006-05-19   
831-737 2 Salinas CA SLNSCA01X8Y  5562 METROPCS, INC. 736   2007-09-19   
831-737 3 Salinas CA SLNSCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736   2006-10-06   
831-737 4 Salinas CA SLNSCA01X8Y  5562 METROPCS, INC. 736   2007-09-19   
831-737 5 Salinas CA SLNSCA01X8Y  5562 METROPCS, INC. 736   2007-09-19   
831-737 6 Salinas CA SLNSCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736   2014-04-14   
831-737 7 Salinas CA SLNSCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736   2006-11-06   
831-737 8 Salinas CA SLNSCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736   2006-12-06   
831-737 9 Salinas CA SLNSCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736   2007-10-16   
831-740 A Watsonville CA SNFCCAFJDS0  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
831-740 0 Watsonville CA SNFCCAFJDS0  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2015-04-24   
831-740 1 Watsonville CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2006-03-04   
831-740 2 Watsonville CA OKLECAZV1MD  5562 METROPCS, INC. 722   2008-12-22   
831-740 3 Watsonville CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2006-01-08   
831-740 4 Watsonville CA SNFCCAFJDS0  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
831-740 5 Watsonville CA SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722   2006-06-14   
831-740 6 Watsonville CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2007-11-26   
831-740 7 Watsonville CA OKLECAZV1MD  5562 METROPCS, INC. 722   2008-06-29   
831-740 8 Watsonville CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2008-05-19   
831-740 9 Watsonville CA OKLECAZV1MD  5562 METROPCS, INC. 722   2009-04-09   
831-741 A Castroville CA SLNSCA01XXX  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 736      
831-741 0 Castroville CA   649C ONVOY, LLC - CA 736   2026-08-14   
831-741 1 Castroville CA MTRYCAPMDS0  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 736   2016-03-05   
831-741 2 Castroville CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736   2019-07-26   
831-741 3 Castroville CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736   2019-07-26   
831-741 4 Castroville CA SLNSCA01XXX  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 736   2012-01-08   
831-741 5 Castroville CA SLNSCA01XCY  624H ONVOY SPECTRUM, LLC 736   2024-01-05   
831-741 6 Castroville CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736   2008-03-15   
831-741 7 Castroville CA SLNSCA01X7Y  508J CENTURYLINK COMMUNICATIONS, LLC 736   2015-11-09   
831-741 8 Castroville CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736   2021-06-06   
831-741 9 Castroville CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736   2018-11-10   
831-744 A Gonzales CA SLNSCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736      
831-744 0 Gonzales CA SLNSCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736   2023-05-11   
831-744 1 Gonzales CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736   2017-08-28   
831-744 2 Gonzales CA SLNSCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736   2022-08-15   
831-744 3 Gonzales CA SLNSCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736   2014-09-10   
831-744 4 Gonzales CA SLNSCA01XGX  9262 UTILITY TELECOM GROUP, LLC - CA 736   2006-06-14   
831-744 5 Gonzales CA SLNSCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736   2014-10-26   
831-744 6 Gonzales CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736   2018-02-12   
831-744 7 Gonzales CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736   2019-07-26   
831-744 8 Gonzales CA MTRYCAPMDS0  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 736   2016-03-05   
831-744 9 Gonzales CA SLNSCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736   2019-08-08   
831-747 A Monterey CA SLNSCA01X5Y  516C AT&T CORP. 736      
831-747 0 Monterey CA SLNSCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736   2010-03-05   
831-747 1 Monterey CA SLNSCA01X5Y  516C AT&T CORP. 736   2005-05-21   
831-747 2 Monterey CA SLNSCA01X5Y  516C AT&T CORP. 736   2014-05-13   
831-747 3 Monterey CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736   2023-01-14   
831-747 4 Monterey CA SLNSCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736   2005-07-14   
831-747 5 Monterey CA SLNSCA01X8Y  5562 METROPCS, INC. 736   2008-12-21   
831-747 6 Monterey CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736   2024-02-22   
831-747 7 Monterey CA SLNSCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736   2005-07-14   
831-747 8 Monterey CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736   2023-01-14   
831-747 9 Monterey CA SLNSCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736   2023-09-10   
831-750 A Watsonville CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
831-750 0 Watsonville CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
831-750 1 Watsonville CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2015-04-30   
831-750 2 Watsonville CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
831-750 3 Watsonville CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2015-07-17   
831-750 4 Watsonville CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
831-750 5 Watsonville CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
831-750 6 Watsonville CA OKLECAZV1MD  5562 METROPCS, INC. 722      
831-750 7 Watsonville CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
831-750 8 Watsonville CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
831-750 9 Watsonville CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
831-751 A Salinas CA SLNSCA01DS0  9740 PACIFIC BELL 736      
831-753 A Salinas CA SLNSCA01DS0  9740 PACIFIC BELL 736      
831-754 A Salinas CA SLNSCA01DS0  9740 PACIFIC BELL 736      
831-755 A Salinas CA SLNSCA01DS0  9740 PACIFIC BELL 736      
831-756 A Salinas CA SLNSCA01XGX  9262 UTILITY TELECOM GROUP, LLC - CA 736      
831-756 0 Salinas CA SLNSCA01X8Y  5562 METROPCS, INC. 736   2009-10-20   
831-756 1 Salinas CA SLNSCA01X8Y  5562 METROPCS, INC. 736   2007-12-19   
831-756 2 Salinas CA SLNSCA01X8Y  5562 METROPCS, INC. 736   2009-07-10   
831-756 3 Salinas CA SLNSCA01X8Y  5562 METROPCS, INC. 736   2009-08-17   
831-756 4 Salinas CA SLNSCA01X8Y  5562 METROPCS, INC. 736   2010-07-04   
831-756 5 Salinas CA SLNSCA01X8Y  5562 METROPCS, INC. 736   2009-05-11   
831-756 6 Salinas CA SLNSCA01X8Y  5562 METROPCS, INC. 736   2012-10-07   
831-756 7 Salinas CA SLNSCA01XGX  9262 UTILITY TELECOM GROUP, LLC - CA 736   2005-11-06   
831-756 8 Salinas CA SLNSCA01X8Y  5562 METROPCS, INC. 736   2012-10-07   
831-756 9 Salinas CA SLNSCA01X8Y  5562 METROPCS, INC. 736   2012-10-07   
831-757 A Salinas CA SLNSCA01DS0  9740 PACIFIC BELL 736      
831-758 A Salinas CA SLNSCA01DS0  9740 PACIFIC BELL 736      
831-759 A Salinas CA SLNSCA01DS0  9740 PACIFIC BELL 736      
831-760 A Monterey CA SLNSCA01X8Y  5562 METROPCS, INC. 736      
831-760 0 Monterey CA SLNSCA01X8Y  5562 METROPCS, INC. 736      
831-760 1 Monterey CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736   2020-04-11   
831-760 2 Monterey CA SLNSCA01X8Y  5562 METROPCS, INC. 736      
831-760 3 Monterey CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736   2020-04-11   
831-760 4 Monterey CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736   2024-12-02   
831-760 5 Monterey CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736   2019-10-03   
831-760 6 Monterey CA SLNSCA01X8Y  6529 T-MOBILE USA, INC. 736      
831-760 7 Monterey CA SLNSCA01X8Y  5562 METROPCS, INC. 736      
831-760 8 Monterey CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736   2019-10-03   
831-760 9 Monterey CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736   2012-09-15   
831-761 A Watsonville CA WTVLCA01DS0  9740 PACIFIC BELL 722      

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Last updated: Tue, 29 Sep 2026 03:00:13 UTC

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