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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
831-824 0 Santa Cruz CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2012-03-05   
831-824 1 Santa Cruz CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2012-10-25   
831-824 2 Santa Cruz CA OKLDCAMP2MD  829J PAETEC ITEL, LLC 722   2011-09-14   
831-824 3 Santa Cruz CA SNJSCA02DS4  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2009-12-10   
831-824 4 Santa Cruz CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2009-01-15   
831-824 5 Santa Cruz CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2006-07-21   
831-824 6 Santa Cruz CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-08-20   
831-824 7 Santa Cruz CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-10-29   
831-824 8 Santa Cruz CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2025-09-10   
831-824 9 Santa Cruz CA SNFCCAFJDS0  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
831-830 A King City CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736      
831-830 0 King City CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736   2021-03-05   
831-830 1 King City CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736   2021-03-05   
831-830 2 King City CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736   2021-03-05   
831-830 3 King City CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736   2021-03-05   
831-830 4 King City CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736   2021-07-30   
831-830 5 King City CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736   2021-07-30   
831-830 6 King City CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736   2023-10-29   
831-830 7 King City CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736   2022-12-19   
831-830 8 King City CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736   2020-09-22   
831-830 9 King City CA MTRYCAPMDS0  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 736   2021-03-21   
831-833 A Hollister CA SLNTCAPS0MD  939H COMMIO, LLC 736      
831-833 0 Hollister CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736   2023-07-24   
831-833 1 Hollister CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736   2024-04-02   
831-833 2 Hollister CA MTRYCAPMAMD  490J BOOST SUBSCRIBERCO L.L.C. 736   2023-12-10   
831-833 3 Hollister CA SLNTCAPS0MD  939H COMMIO, LLC 736   2022-04-25   
831-833 4 Hollister CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736   2023-10-29   
831-833 5 Hollister CA SLNSCA01X8Y  6529 T-MOBILE USA, INC. 736   2023-08-11   
831-833 6 Hollister CA SLNSCA01X8Y  6529 T-MOBILE USA, INC. 736   2023-06-05   
831-833 7 Hollister CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736   2022-10-15   
831-833 8 Hollister CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736   2022-10-15   
831-833 9 Hollister CA SLNSCA01X8Y  6529 T-MOBILE USA, INC. 736   2022-10-16   
831-837 A Salinas CA MTRYCAPM7MD  516J TON80 COMMUNICATIONS, LLC 736      
831-837 0 Salinas CA MTRYCA012MD  981E BANDWIDTH.COM CLEC, LLC - CA 736   2022-08-25   
831-837 1 Salinas CA MTRYCA012MD  981E BANDWIDTH.COM CLEC, LLC - CA 736   2022-08-25   
831-837 2 Salinas CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736   2022-03-12   
831-837 3 Salinas CA MTRYCA012MD  981E BANDWIDTH.COM CLEC, LLC - CA 736   2022-08-25   
831-837 4 Salinas CA MTRYCAPM7MD  516J TON80 COMMUNICATIONS, LLC 736   2022-03-11   
831-837 5 Salinas CA SLNSCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736   2023-06-05   
831-837 6 Salinas CA SLNSCA01X1Y  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 736   2022-05-04   
831-837 7 Salinas CA SLNSCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736   2022-05-07   
831-837 8 Salinas CA SLNSCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736   2022-07-11   
831-837 9 Salinas CA SLNSCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736   2022-09-10   
831-840 A Watsonville CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
831-840 0 Watsonville CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
831-840 1 Watsonville CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
831-840 2 Watsonville CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
831-840 3 Watsonville CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
831-840 4 Watsonville CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
831-840 5 Watsonville CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
831-840 6 Watsonville CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
831-840 7 Watsonville CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2003-06-11   
831-840 8 Watsonville CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2003-09-21   
831-840 9 Watsonville CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2005-08-18   
831-842 A Aptos CA SNJUCACL7MD  965H FRACTEL, LLC 722      
831-842 0 Aptos CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2023-08-11   
831-842 1 Aptos CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2023-08-11   
831-842 2 Aptos CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2023-08-11   
831-842 3 Aptos CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2023-08-11   
831-842 4 Aptos CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2023-08-11   
831-842 5 Aptos CA SNJUCACL7MD  965H FRACTEL, LLC 722   2022-01-22   
831-842 7 Aptos CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2022-03-11   
831-842 8 Aptos CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2022-03-11   
831-842 9 Aptos CA SNFCCA21XNZ  624H ONVOY SPECTRUM, LLC 722   2024-08-18   
831-844 A Big Sur CA MTRYCAPM7MD  516J TON80 COMMUNICATIONS, LLC 736      
831-844 0 Big Sur CA MTRYCA012MD  981E BANDWIDTH.COM CLEC, LLC - CA 736      
831-844 3 Big Sur CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736   2019-03-21   
831-844 4 Big Sur CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736   2019-03-21   
831-844 6 Big Sur CA MTRYCAPM7MD  516J TON80 COMMUNICATIONS, LLC 736   2021-06-27   
831-844 7 Big Sur CA   824J OPENTACT INC. 736   2026-09-12   
831-850 A Felton CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2024-01-21   
831-850 0 Felton CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
831-850 1 Felton CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
831-850 3 Felton CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
831-850 5 Felton CA SNJUCACL9MD  516J TON80 COMMUNICATIONS, LLC 722   2022-04-14   
831-850 7 Felton CA   145J TERRA NOVA TELECOM INC. 722   2024-12-30   
831-850 9 Felton CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
831-851 A Watsonville CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2024-01-21   
831-854 A Santa Cruz CA OKLDCAAN4KD  7379 MATRIX TELECOM, LLC. S/I/I TNCI - CA 722      
831-854 0 Santa Cruz CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
831-854 1 Santa Cruz CA SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722      
831-854 2 Santa Cruz CA WTVLCADV1MD  792K CHARTER IP ENABLED SERVICES, LLC 722   2009-07-26   
831-854 3 Santa Cruz CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2020-12-25   
831-854 4 Santa Cruz CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2025-10-19   
831-854 5 Santa Cruz CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2023-05-13   
831-854 6 Santa Cruz CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2021-04-01   
831-854 7 Santa Cruz CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-04-10   
831-854 8 Santa Cruz CA OKLECAZV1MD  5562 METROPCS, INC. 722   2008-07-14   
831-854 9 Santa Cruz CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
831-855 A Monterey CA MTRYCAPMDS0  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 736      
831-855 0 Monterey CA MTRYCAPMDS0  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 736      
831-855 1 Monterey CA MTRYCA012MD  981E BANDWIDTH.COM CLEC, LLC - CA 736   2022-11-25   
831-855 2 Monterey CA MTRYCA012MD  981E BANDWIDTH.COM CLEC, LLC - CA 736   2022-11-25   
831-855 3 Monterey CA MTRYCA012MD  981E BANDWIDTH.COM CLEC, LLC - CA 736   2022-11-25   
831-855 4 Monterey CA MTRYCAPMDS0  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 736   2019-07-07   
831-855 5 Monterey CA MTRYCAPM6MD  965H FRACTEL, LLC 736   2020-11-29   
831-855 6 Monterey CA MTRYCA012MD  981E BANDWIDTH.COM CLEC, LLC - CA 736   2022-11-25   
831-855 7 Monterey CA MTRYCA012MD  981E BANDWIDTH.COM CLEC, LLC - CA 736   2022-11-25   
831-855 8 Monterey CA SLNSCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736   2023-11-02   
831-855 9 Monterey CA MTRYCAPMDS0  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 736   2019-12-22   

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

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