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NPA: 475 [Rate centres in NPA 475] [Dial plan for NPA 475]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
475-529 7 Danbury CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2012-11-10   
475-529 8 Danbury CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2011-11-15   
475-529 9 Danbury CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2011-11-15   
475-544 A Norwalk CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920      
475-544 0 Norwalk CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2022-05-18   
475-544 1 Norwalk CT   515J IP HORIZON LLC 920   2022-07-08   
475-544 2 Norwalk CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2023-07-14   
475-544 3 Norwalk CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2023-07-14   
475-544 4 Norwalk CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2023-11-17   
475-544 6 Norwalk CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2022-03-17   
475-544 7 Norwalk CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2022-03-17   
475-544 8 Norwalk CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2022-03-17   
475-544 9 Norwalk CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2022-03-17   
475-548 A Meriden CT HRFRCT03XSX  516J TON80 COMMUNICATIONS, LLC 920      
475-548 0 Meriden CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2023-08-18   
475-548 1 Meriden CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2023-08-18   
475-548 2 Meriden CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2023-08-18   
475-548 3 Meriden CT HRFRCT03XSX  516J TON80 COMMUNICATIONS, LLC 920   2022-04-01   
475-548 4 Meriden CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2023-08-18   
475-548 5 Meriden CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2023-08-18   
475-548 6 Meriden CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2023-08-18   
475-548 7 Meriden CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2023-08-18   
475-548 8 Meriden CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2023-08-18   
475-548 9 Meriden CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2023-08-18   
475-549 A Milford CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920      
475-549 0 Milford CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2015-06-21   
475-549 1 Milford CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2015-06-21   
475-549 2 Milford CT HRFRCT03HMD  073H TELNYX LLC 920   2017-06-05   
475-549 3 Milford CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2019-06-14   
475-549 4 Milford CT HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2018-10-21   
475-549 5 Milford CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2018-07-14   
475-549 6 Milford CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2019-03-29   
475-549 7 Milford CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2019-03-29   
475-549 8 Milford CT   612K CSC VOICE, LLC 920   2015-06-22   
475-549 9 Milford CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2015-06-29   
475-550 A Stamford CT HRFRCT0344Z  866H BARR TEL USA, INC. - CT 920      
475-550 0 Stamford CT   515J IP HORIZON LLC 920   2022-08-04   
475-550 1 Stamford CT HRFRCT0344Z  866H BARR TEL USA, INC. - CT 920   2022-04-23   
475-550 2 Stamford CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2022-10-24   
475-550 3 Stamford CT HRFRCTBC2MD  073H TELNYX LLC 920   2023-01-23   
475-550 4 Stamford CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2023-02-12   
475-550 5 Stamford CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2023-08-06   
475-550 6 Stamford CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2022-12-19   
475-550 7 Stamford CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2022-12-19   
475-550 8 Stamford CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2022-12-19   
475-550 9 Stamford CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2022-12-19   
475-557 A Waterbury CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920      
475-557 0 Waterbury CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2020-08-20   
475-557 1 Waterbury CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2019-02-28   
475-557 2 Waterbury CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2019-06-14   
475-557 3 Waterbury CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2019-06-14   
475-557 4 Waterbury CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2020-08-20   
475-557 5 Waterbury CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2020-06-05   
475-557 6 Waterbury CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2020-09-12   
475-557 7 Waterbury CT HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920   2019-01-26   
475-557 8 Waterbury CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2019-03-30   
475-557 9 Waterbury CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2019-03-30   
475-558 A New Canaan CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920      
475-558 0 New Canaan CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2015-06-25   
475-558 1 New Canaan CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2015-06-25   
475-558 2 New Canaan CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2019-08-09   
475-558 3 New Canaan CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2019-08-09   
475-558 4 New Canaan CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2020-02-24   
475-558 5 New Canaan CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2020-07-06   
475-558 6 New Canaan CT HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2018-08-31   
475-558 7 New Canaan CT HRFRCT03HMD  073H TELNYX LLC 920   2017-06-05   
475-558 8 New Canaan CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2015-07-03   
475-558 9 New Canaan CT   612K CSC VOICE, LLC 920   2015-06-26   
475-559 A Waterbury CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920      
475-559 0 Waterbury CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2015-10-19   
475-559 1 Waterbury CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2015-10-20   
475-559 2 Waterbury CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2015-10-20   
475-559 3 Waterbury CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2015-11-17   
475-559 4 Waterbury CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2017-09-14   
475-559 5 Waterbury CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2015-11-16   
475-559 6 Waterbury CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2017-05-01   
475-559 7 Waterbury CT HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920   2015-11-20   
475-559 8 Waterbury CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2016-03-04   
475-559 9 Waterbury CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2016-12-27   
475-575 A Ridgefield CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
475-575 0 Ridgefield CT HRFRCTBC2MD  073H TELNYX LLC 920   2020-10-16   
475-575 1 Ridgefield CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2020-07-12   
475-575 2 Ridgefield CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2020-07-12   
475-575 3 Ridgefield CT HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2021-05-31   
475-575 5 Ridgefield CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2020-11-16   
475-575 6 Ridgefield CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2021-04-15   
475-575 7 Ridgefield CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2020-11-16   
475-575 8 Ridgefield CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2021-04-15   
475-575 9 Ridgefield CT NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920   2021-03-12   
475-600 A Seymour CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
475-600 0 Seymour CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2019-09-13   
475-600 1 Seymour CT NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920   2021-03-12   
475-600 2 Seymour CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2021-12-13   
475-600 3 Seymour CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2021-12-13   
475-600 5 Seymour CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2021-04-15   
475-600 6 Seymour CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2019-09-13   
475-600 7 Seymour CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2021-04-15   
475-600 8 Seymour CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2020-07-05   
475-600 9 Seymour CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2020-07-05   
475-619 A Stamford CT SMFRCTCTDS0  7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      

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Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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