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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
831-212 3 Santa Cruz CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2006-12-05   
831-212 4 Santa Cruz CA   5562 METROPCS, INC. 722      
831-212 5 Santa Cruz CA   5562 METROPCS, INC. 722      
831-212 6 Santa Cruz CA   6529 T-MOBILE USA, INC. 722      
831-212 7 Santa Cruz CA   5562 METROPCS, INC. 722      
831-212 8 Santa Cruz CA   6529 T-MOBILE USA, INC. 722      
831-212 9 Santa Cruz CA   5562 METROPCS, INC. 722      
831-214 A Salinas CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-215 A Monterey CA MTRYCAPM8MD  321J HD CARRIER LLC 736      
831-215 0 Monterey CA   073H TELNYX LLC 736   2022-07-07   
831-215 1 Monterey CA   318J COMCAST IP PHONE, LLC 736   2022-06-15   
831-215 2 Monterey CA   649C ONVOY, LLC - CA 736   2021-02-18   
831-215 3 Monterey CA   649C ONVOY, LLC - CA 736   2021-02-18   
831-215 4 Monterey CA   649C ONVOY, LLC - CA 736   2021-02-18   
831-215 5 Monterey CA   649C ONVOY, LLC - CA 736   2021-02-18   
831-215 6 Monterey CA   318J COMCAST IP PHONE, LLC 736   2022-06-15   
831-215 7 Monterey CA   649C ONVOY, LLC - CA 736   2022-04-02   
831-215 8 Monterey CA   321J HD CARRIER LLC 736   2020-11-23   
831-215 9 Monterey CA   321J HD CARRIER LLC 736   2020-11-23   
831-216 A Felton CA SNJSCA02DS4  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
831-216 0 Felton CA   649C ONVOY, LLC - CA 722   2016-01-07   
831-216 1 Felton CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-12-17   
831-216 3 Felton CA   649C ONVOY, LLC - CA 722   2006-01-08   
831-216 4 Felton CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2004-04-10   
831-216 5 Felton CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2008-05-19   
831-216 6 Felton CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-03-04   
831-216 7 Felton CA   649C ONVOY, LLC - CA 722   2009-12-18   
831-216 8 Felton CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-09-19   
831-216 9 Felton CA   7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
831-217 A Boulder Creek CA SNJSCA02DS4  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
831-217 0 Boulder Creek CA   649C ONVOY, LLC - CA 722   2016-03-04   
831-217 1 Boulder Creek CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-09-10   
831-217 3 Boulder Creek CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-08-28   
831-217 4 Boulder Creek CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2013-03-29   
831-217 5 Boulder Creek CA   516C AT&T CORP. 722   2011-09-26   
831-217 6 Boulder Creek CA   649C ONVOY, LLC - CA 722   2014-08-03   
831-217 7 Boulder Creek CA   649C ONVOY, LLC - CA 722   2009-12-18   
831-217 8 Boulder Creek CA   649C ONVOY, LLC - CA 722   2016-03-04   
831-217 9 Boulder Creek CA   7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
831-218 A Ben Lomond CA SNJSCA02DS4  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
831-218 0 Ben Lomond CA   7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
831-218 1 Ben Lomond CA   649C ONVOY, LLC - CA 722   2006-09-11   
831-218 2 Ben Lomond CA   649C ONVOY, LLC - CA 722   2016-05-13   
831-218 3 Ben Lomond CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2008-05-19   
831-218 4 Ben Lomond CA   649C ONVOY, LLC - CA 722   2009-10-19   
831-218 5 Ben Lomond CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-08-28   
831-218 6 Ben Lomond CA   649C ONVOY, LLC - CA 722   2012-12-31   
831-218 7 Ben Lomond CA   649C ONVOY, LLC - CA 722   2016-05-13   
831-218 8 Ben Lomond CA   649C ONVOY, LLC - CA 722   2012-12-31   
831-218 9 Ben Lomond CA   649C ONVOY, LLC - CA 722   2016-04-23   
831-219 A Aptos CA SNJSCA02DS4  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
831-219 0 Aptos CA   7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
831-219 1 Aptos CA   145J TERRA NOVA TELECOM INC. 722   2022-05-23   
831-219 2 Aptos CA   649C ONVOY, LLC - CA 722   2015-08-31   
831-219 3 Aptos CA   7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722   2003-09-16   
831-219 4 Aptos CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2008-02-01   
831-219 5 Aptos CA   776C CHARTER FIBERLINK CA-CCO, LLC - CA 722   2009-07-26   
831-219 6 Aptos CA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2005-06-01   
831-219 7 Aptos CA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2005-06-01   
831-219 8 Aptos CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-09-18   
831-219 9 Aptos CA   7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
831-220 A Monterey CA MTRYCAPM4MD  197D VONAGE AMERICA LLC 736      
831-220 0 Monterey CA   197D VONAGE AMERICA LLC 736   2018-07-30   
831-220 1 Monterey CA   6529 T-MOBILE USA, INC. 736   2021-10-30   
831-220 2 Monterey CA   6529 T-MOBILE USA, INC. 736   2019-06-21   
831-220 3 Monterey CA   649C ONVOY, LLC - CA 736   2019-09-13   
831-220 4 Monterey CA   6529 T-MOBILE USA, INC. 736   2020-07-22   
831-220 5 Monterey CA   6529 T-MOBILE USA, INC. 736   2020-07-22   
831-220 6 Monterey CA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 736   2020-03-30   
831-220 7 Monterey CA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 736   2020-03-30   
831-220 8 Monterey CA   649C ONVOY, LLC - CA 736   2022-02-26   
831-220 9 Monterey CA   6529 T-MOBILE USA, INC. 736   2020-06-19   
831-221 A San Ardo CA   515J IP HORIZON LLC 736      
831-221 0 San Ardo CA   981E BANDWIDTH.COM CLEC, LLC - CA 736   2010-08-30   
831-221 1 San Ardo CA   515J IP HORIZON LLC 736      
831-221 2 San Ardo CA   515J IP HORIZON LLC 736      
831-221 3 San Ardo CA   073H TELNYX LLC 736   2018-07-03   
831-221 4 San Ardo CA   515J IP HORIZON LLC 736   2022-10-20   
831-221 5 San Ardo CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 736   2005-07-31   
831-221 6 San Ardo CA   981E BANDWIDTH.COM CLEC, LLC - CA 736   2015-10-15   
831-221 7 San Ardo CA   515J IP HORIZON LLC 736   2022-10-20   
831-221 8 San Ardo CA   981E BANDWIDTH.COM CLEC, LLC - CA 736   2014-03-28   
831-221 9 San Ardo CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 736   2016-03-05   
831-222 A Felton CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
831-222 0 Felton CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-04-01   
831-222 1 Felton CA   649C ONVOY, LLC - CA 722   2015-10-10   
831-222 2 Felton CA   649C ONVOY, LLC - CA 722   2016-03-22   
831-222 3 Felton CA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2005-09-20   
831-222 4 Felton CA   9262 UTILITY TELECOM GROUP, LLC - CA 722   2006-06-14   
831-222 5 Felton CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2012-06-03   
831-222 6 Felton CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2012-07-22   
831-222 7 Felton CA   649C ONVOY, LLC - CA 722   2012-12-31   
831-222 8 Felton CA   649C ONVOY, LLC - CA 722   2012-12-31   
831-222 9 Felton CA   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
831-223 A Soledad CA SLNSCA01XXX  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 736      
831-223 0 Soledad CA   981E BANDWIDTH.COM CLEC, LLC - CA 736      
831-223 1 Soledad CA   981E BANDWIDTH.COM CLEC, LLC - CA 736   2010-07-04   
831-223 2 Soledad CA   9262 UTILITY TELECOM GROUP, LLC - CA 736   2006-06-14   
831-223 3 Soledad CA   5562 METROPCS, INC. 736   2005-11-09   
831-223 4 Soledad CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 736   2005-07-31   

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Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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