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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
831-612 A Aptos CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
831-612 0 Aptos CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
831-612 1 Aptos CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-01-25   
831-612 2 Aptos CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2012-12-14   
831-612 3 Aptos CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2012-12-30   
831-612 4 Aptos CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2012-12-30   
831-612 5 Aptos CA SNVACAHZ0MD  508J CENTURYLINK COMMUNICATIONS, LLC 722   2014-05-20   
831-612 6 Aptos CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2013-11-23   
831-612 7 Aptos CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-02-22   
831-612 8 Aptos CA SNFCCA21XPZ  553J WHITESKY COMMUNICATIONS, LLC 722   2021-09-16   
831-612 9 Aptos CA   145J TERRA NOVA TELECOM INC. 722   2023-04-26   
831-613 A Greenfield (Monterey) CA MTRYCA012MD  981E BANDWIDTH.COM CLEC, LLC - CA 736      
831-613 0 Greenfield (Monterey) CA SLNSCA01X8Y  5562 METROPCS, INC. 736   2017-10-12   
831-613 1 Greenfield (Monterey) CA MTRYCA012MD  981E BANDWIDTH.COM CLEC, LLC - CA 736   2010-07-04   
831-613 2 Greenfield (Monterey) CA SLNSCA01X8Y  5562 METROPCS, INC. 736   2007-07-27   
831-613 3 Greenfield (Monterey) CA SLNSCA01X8Y  5562 METROPCS, INC. 736   2005-11-09   
831-613 4 Greenfield (Monterey) CA SLNSCA01X8Y  5562 METROPCS, INC. 736   2008-12-22   
831-613 5 Greenfield (Monterey) CA SLNSCA01XGX  9262 UTILITY TELECOM GROUP, LLC - CA 736   2006-06-14   
831-613 6 Greenfield (Monterey) CA SLNSCA01X8Y  5562 METROPCS, INC. 736   2010-09-13   
831-613 7 Greenfield (Monterey) CA SLNSCA01X7Y  508J CENTURYLINK COMMUNICATIONS, LLC 736   2015-11-09   
831-613 8 Greenfield (Monterey) CA MTRYCAPM0MD  073H TELNYX LLC 736   2018-07-03   
831-613 9 Greenfield (Monterey) CA MTRYCAPMDS0  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 736   2016-03-05   
831-618 A Boulder Creek CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
831-620 A Carmel CA CRMLCA11DS0  9740 PACIFIC BELL 736      
831-620 0 Carmel CA CRMLCA11DS0  9740 PACIFIC BELL 736      
831-620 1 Carmel CA CRMLCA11DS0  9740 PACIFIC BELL 736      
831-620 2 Carmel CA SLNSCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736   2011-06-05   
831-620 4 Carmel CA CRMLCA11DS0  9740 PACIFIC BELL 736      
831-620 5 Carmel CA SLNSCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736   2013-02-19   
831-620 6 Carmel CA CRMLCA11DS0  9740 PACIFIC BELL 736      
831-620 7 Carmel CA SLNSCA01XGX  9262 UTILITY TELECOM GROUP, LLC - CA 736   2006-04-25   
831-620 8 Carmel CA CRMLCA11DS0  9740 PACIFIC BELL 736      
831-620 9 Carmel CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736   2019-09-27   
831-621 A Santa Cruz CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
831-621 0 Santa Cruz CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
831-621 1 Santa Cruz CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
831-621 2 Santa Cruz CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2013-09-03   
831-621 3 Santa Cruz CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
831-621 4 Santa Cruz CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
831-621 5 Santa Cruz CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2010-09-11   
831-621 6 Santa Cruz CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
831-621 7 Santa Cruz CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2021-04-01   
831-621 8 Santa Cruz CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
831-621 9 Santa Cruz CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
831-622 A Carmel CA CRMLCA11DS0  9740 PACIFIC BELL 736      
831-623 A San Juan CA SNJNCA11RS1  9740 PACIFIC BELL 736      
831-623 0 San Juan CA SNJNCA11RS1  9740 PACIFIC BELL 736      
831-623 1 San Juan CA SNJNCA11RS1  9740 PACIFIC BELL 736      
831-623 2 San Juan CA SNJNCA11RS1  9740 PACIFIC BELL 736      
831-623 3 San Juan CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736   2019-09-13   
831-623 4 San Juan CA SNJNCA11RS1  9740 PACIFIC BELL 736      
831-623 5 San Juan CA SLNSCA01XXX  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 736   2005-07-31   
831-623 6 San Juan CA SLNSCA01XGX  9262 UTILITY TELECOM GROUP, LLC - CA 736   2006-06-14   
831-623 7 San Juan CA SNJNCA11RS1  9740 PACIFIC BELL 736      
831-623 8 San Juan CA MTRYCAPM0MD  073H TELNYX LLC 736   2018-07-03   
831-623 9 San Juan CA SNJNCA11RS1  9740 PACIFIC BELL 736      
831-624 A Carmel CA CRMLCA11DS0  9740 PACIFIC BELL 736      
831-625 A Carmel CA CRMLCA11DS0  9740 PACIFIC BELL 736      
831-626 A Carmel CA CRMLCA11DS0  9740 PACIFIC BELL 736      
831-627 A San Ardo CA SNARCA11RS1  9740 PACIFIC BELL 736      
831-627 1 San Ardo CA SNARCA11RS1  9740 PACIFIC BELL 736      
831-627 2 San Ardo CA SNARCA11RS1  9740 PACIFIC BELL 736      
831-627 3 San Ardo CA SNARCA11RS1  9740 PACIFIC BELL 736      
831-627 4 San Ardo CA SLNSCA01X5Y  516C AT&T CORP. 736   2011-09-26   
831-627 5 San Ardo CA SLNSCA01XGX  9262 UTILITY TELECOM GROUP, LLC - CA 736   2006-06-14   
831-627 6 San Ardo CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736   2017-04-27   
831-627 7 San Ardo CA SLNSCA01X7Y  508J CENTURYLINK COMMUNICATIONS, LLC 736   2015-11-09   
831-627 8 San Ardo CA SLNSCA01XQY  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 736   2016-03-20   
831-628 A Tres Pinos CA TRPSCA11RS0  9740 PACIFIC BELL 736      
831-628 0 Tres Pinos CA   145J TERRA NOVA TELECOM INC. 736   2021-10-02   
831-628 1 Tres Pinos CA TRPSCA11RS0  9740 PACIFIC BELL 736      
831-628 3 Tres Pinos CA TRPSCA11RS0  9740 PACIFIC BELL 736      
831-628 5 Tres Pinos CA SLNSCA01X5Y  516C AT&T CORP. 736   2011-09-26   
831-628 7 Tres Pinos CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736   2021-06-21   
831-628 8 Tres Pinos CA SLNSCA01XOX  776C CHARTER FIBERLINK CA-CCO, LLC - CA 736   2016-09-24   
831-628 9 Tres Pinos CA   145J TERRA NOVA TELECOM INC. 736   2022-11-03   
831-630 A Hollister CA HLSTCA11DS0  9740 PACIFIC BELL 736      
831-630 0 Hollister CA HLSTCA11DS0  9740 PACIFIC BELL 736      
831-630 1 Hollister CA HLSTCA11DS0  9740 PACIFIC BELL 736      
831-630 2 Hollister CA HLSTCA11DS0  9740 PACIFIC BELL 736      
831-630 3 Hollister CA HLSTCA11DS0  9740 PACIFIC BELL 736      
831-630 4 Hollister CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736   2020-06-08   
831-630 5 Hollister CA HLSTCA11DS0  9740 PACIFIC BELL 736      
831-630 6 Hollister CA HLSTCA11DS0  9740 PACIFIC BELL 736      
831-630 7 Hollister CA SLNSCA01XGX  9262 UTILITY TELECOM GROUP, LLC - CA 736   2006-05-16   
831-630 8 Hollister CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736   2020-06-08   
831-630 9 Hollister CA HLSTCA11DS0  9740 PACIFIC BELL 736      
831-632 A Castroville CA CSVLCA11RS0  9740 PACIFIC BELL 736      
831-632 0 Castroville CA CSVLCA11RS0  9740 PACIFIC BELL 736      
831-632 1 Castroville CA CSVLCA11RS0  9740 PACIFIC BELL 736      
831-632 2 Castroville CA CSVLCA11RS0  9740 PACIFIC BELL 736      
831-632 3 Castroville CA MTRYCAPMDS0  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 736   2024-12-12   
831-632 4 Castroville CA CSVLCA11RS0  9740 PACIFIC BELL 736      
831-632 5 Castroville CA SLNSCA01XOX  776C CHARTER FIBERLINK CA-CCO, LLC - CA 736   2017-11-04   
831-632 6 Castroville CA   145J TERRA NOVA TELECOM INC. 736   2021-01-12   
831-632 7 Castroville CA SLNSCA01XGX  9262 UTILITY TELECOM GROUP, LLC - CA 736   2006-06-14   
831-632 9 Castroville CA MTRYCA012MD  981E BANDWIDTH.COM CLEC, LLC - CA 736   2010-08-28   
831-633 A Castroville CA CSVLCA11RS0  9740 PACIFIC BELL 736      
831-633 0 Castroville CA CSVLCA11RS0  9740 PACIFIC BELL 736      
831-633 1 Castroville CA CSVLCA11RS0  9740 PACIFIC BELL 736      

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Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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