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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
831-867 0 Monterey CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736   2023-07-24   
831-867 1 Monterey CA SLNSCA01X8Y  6529 T-MOBILE USA, INC. 736   2023-10-29   
831-867 2 Monterey CA SLNSCA01X8Y  6529 T-MOBILE USA, INC. 736   2023-10-29   
831-867 5 Monterey CA MTRYCAPM1MD  939H COMMIO, LLC 736   2017-05-15   
831-867 6 Monterey CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736   2019-03-21   
831-867 7 Monterey CA MTRYCAPM7MD  516J TON80 COMMUNICATIONS, LLC 736   2022-03-17   
831-867 8 Monterey CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736   2019-03-21   
831-867 9 Monterey CA SLNSCA01XCY  624H ONVOY SPECTRUM, LLC 736   2024-11-01   
831-869 A Monterey CA SLNSCA01X8Y  5562 METROPCS, INC. 736      
831-869 0 Monterey CA SLNSCA01X8Y  6529 T-MOBILE USA, INC. 736   2003-11-03   
831-869 1 Monterey CA SLNSCA01X8Y  5562 METROPCS, INC. 736      
831-869 2 Monterey CA SLNSCA01X8Y  5562 METROPCS, INC. 736   2007-03-04   
831-869 3 Monterey CA SLNSCA01X8Y  5562 METROPCS, INC. 736   2008-01-12   
831-869 4 Monterey CA SLNSCA01X8Y  6529 T-MOBILE USA, INC. 736   2023-09-11   
831-869 5 Monterey CA SLNSCA01X8Y  5562 METROPCS, INC. 736   2006-06-15   
831-869 6 Monterey CA SLNSCA01X8Y  5562 METROPCS, INC. 736   2004-05-09   
831-869 7 Monterey CA SLNSCA01X8Y  5562 METROPCS, INC. 736   2012-04-18   
831-869 8 Monterey CA SLNSCA01X8Y  5562 METROPCS, INC. 736   2003-04-29   
831-869 9 Monterey CA SLNSCA01X8Y  6529 T-MOBILE USA, INC. 736      
831-877 A Carmel CA MTRYCAPM6MD  965H FRACTEL, LLC 736      
831-877 0 Carmel CA SLNSCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736   2020-08-10   
831-877 1 Carmel CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736   2019-07-26   
831-877 2 Carmel CA SLNSCA01XTY  792K CHARTER IP ENABLED SERVICES, LLC 736   2020-10-05   
831-877 3 Carmel CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736   2020-02-12   
831-877 4 Carmel CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736   2020-02-12   
831-877 5 Carmel CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736   2020-02-12   
831-877 6 Carmel CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736   2021-03-05   
831-877 7 Carmel CA MTRYCAPM6MD  965H FRACTEL, LLC 736   2019-05-14   
831-877 8 Carmel CA MTRYCAPM6MD  965H FRACTEL, LLC 736   2019-05-14   
831-877 9 Carmel CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736   2020-01-20   
831-880 A Monterey CA SNJYCAHMDS1  193E 8X8, INC. 736   2026-07-13   
831-880 0 Monterey CA   649C ONVOY, LLC - CA 736   2026-08-21   
831-880 1 Monterey CA SNJYCAHMDS1  193E 8X8, INC. 736   2026-07-13   
831-881 A Monterey CA SLNSCA01XUY  252F WIDE VOICE, LLC - CA 736   2025-12-26   
831-881 0 Monterey CA   649C ONVOY, LLC - CA 736   2026-08-21   
831-881 1 Monterey CA SLNSCA01XUY  252F WIDE VOICE, LLC - CA 736   2025-12-26   
831-881 2 Monterey CA SLNSCA01XUY  252F WIDE VOICE, LLC - CA 736   2025-12-26   
831-881 6 Monterey CA MTRYCAPM8MD  321J HD CARRIER LLC 736   2026-06-19   
831-881 7 Monterey CA MTRYCAPM8MD  321J HD CARRIER LLC 736   2026-06-19   
831-881 8 Monterey CA MTRYCAPM8MD  321J HD CARRIER LLC 736   2026-06-19   
831-881 9 Monterey CA   649C ONVOY, LLC - CA 736   2026-08-21   
831-883 A Monterey CA MARNCA11DS0  9740 PACIFIC BELL 736      
831-883 0 Monterey CA MARNCA11DS0  9740 PACIFIC BELL 736      
831-883 1 Monterey CA MARNCA11DS0  9740 PACIFIC BELL 736      
831-883 2 Monterey CA MARNCA11DS0  9740 PACIFIC BELL 736      
831-883 3 Monterey CA MARNCA11DS0  9740 PACIFIC BELL 736      
831-883 4 Monterey CA MARNCA11DS0  9740 PACIFIC BELL 736      
831-883 5 Monterey CA MARNCA11DS0  9740 PACIFIC BELL 736      
831-883 6 Monterey CA   145J TERRA NOVA TELECOM INC. 736   2022-11-03   
831-883 7 Monterey CA SLNSCA01XCY  624H ONVOY SPECTRUM, LLC 736   2024-05-22   
831-883 8 Monterey CA MARNCA11DS0  9740 PACIFIC BELL 736      
831-883 9 Monterey CA MARNCA11DS0  9740 PACIFIC BELL 736      
831-884 A Monterey CA MARNCA11DS0  9740 PACIFIC BELL 736      
831-884 0 Monterey CA MARNCA11DS0  9740 PACIFIC BELL 736      
831-884 1 Monterey CA MARNCA11DS0  9740 PACIFIC BELL 736      
831-884 2 Monterey CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736   2021-03-31   
831-884 3 Monterey CA SLNSCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736   2014-02-04   
831-884 4 Monterey CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736   2021-03-31   
831-884 5 Monterey CA SLNSCA01XHY  394L COMCAST PHONE OF CALIFORNIA, LLC 736   2013-01-18   
831-884 6 Monterey CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736   2014-08-11   
831-884 7 Monterey CA SLNSCA01XCY  624H ONVOY SPECTRUM, LLC 736   2024-05-22   
831-884 8 Monterey CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736   2015-10-09   
831-884 9 Monterey CA MARNCA11DS0  9740 PACIFIC BELL 736      
831-886 A Monterey CA SLNTCAPS4MD  732J NUSO, LLC 736      
831-886 0 Monterey CA SLNSCA01XXX  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 736      
831-886 1 Monterey CA SLNSCA01XXX  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 736      
831-886 2 Monterey CA SLNSCA01XXX  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 736      
831-886 3 Monterey CA SLNSCA01XXX  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 736      
831-886 4 Monterey CA SLNSCA01XXX  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 736      
831-886 5 Monterey CA SLNTCAPS4MD  732J NUSO, LLC 736   2023-02-19   
831-886 6 Monterey CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736   2024-12-02   
831-886 7 Monterey CA SLNSCA01XXX  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 736      
831-886 8 Monterey CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736   2024-12-02   
831-886 9 Monterey CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736   2024-12-02   
831-887 A Monterey CA MTRYCAPM5MD  145J TERRA NOVA TELECOM INC. 736      
831-887 0 Monterey CA MTRYCA012MD  981E BANDWIDTH.COM CLEC, LLC - CA 736      
831-887 1 Monterey CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736   2024-12-02   
831-887 2 Monterey CA SLNSCA01XGX  9262 UTILITY TELECOM GROUP, LLC - CA 736      
831-887 3 Monterey CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736   2024-12-02   
831-887 4 Monterey CA MTRYCA012MD  981E BANDWIDTH.COM CLEC, LLC - CA 736   2026-06-06   
831-887 5 Monterey CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736   2024-11-11   
831-887 6 Monterey CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736   2023-10-29   
831-887 7 Monterey CA   145J TERRA NOVA TELECOM INC. 736   2019-05-21   
831-887 8 Monterey CA SLNSCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736   2017-09-01   
831-888 A Santa Cruz CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
831-888 0 Santa Cruz CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-02-12   
831-888 1 Santa Cruz CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-02-26   
831-888 2 Santa Cruz CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-02-26   
831-888 3 Santa Cruz CA SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722   2016-02-15   
831-888 4 Santa Cruz CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-03-27   
831-888 5 Santa Cruz CA SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722   2016-02-15   
831-888 6 Santa Cruz CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2017-09-25   
831-888 7 Santa Cruz CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2016-02-26   
831-888 8 Santa Cruz CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-01-10   
831-888 9 Santa Cruz CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2016-10-18   
831-889 A Santa Cruz CA SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722      
831-889 0 Santa Cruz CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2019-08-05   
831-889 1 Santa Cruz CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2020-01-16   
831-889 2 Santa Cruz CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2020-04-03   
831-889 3 Santa Cruz CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2021-03-11   

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Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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