Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
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 NRWLCT028MD  4950 CABLEVISION LIGHTPATH, INC. - CT 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 NRWLCT028MD  4950 CABLEVISION LIGHTPATH, INC. - CT 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      
475-619 0 Stamford CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2015-02-24   
475-619 1 Stamford CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2015-02-24   
475-619 2 Stamford CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2015-05-11   
475-619 3 Stamford CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2015-05-08   
475-619 4 Stamford CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2015-08-12   
475-619 5 Stamford CT NRWLCT028MD  4950 CABLEVISION LIGHTPATH, INC. - CT 920   2015-07-25   
475-619 6 Stamford CT SMFRCTCTDS0  7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920   2015-02-21   
475-619 7 Stamford CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2015-06-30   
475-619 8 Stamford CT   829J PAETEC ITEL, LLC 920   2015-05-19   
475-619 9 Stamford CT NRWLCT028MD  4950 CABLEVISION LIGHTPATH, INC. - CT 920   2015-04-03   
475-622 A Wolcott CT HRFRCT03XSX  516J TON80 COMMUNICATIONS, LLC 920      
475-622 0 Wolcott CT   515J IP HORIZON LLC 920   2022-07-31   
475-622 1 Wolcott CT NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920   2022-03-18   
475-622 2 Wolcott CT NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920   2022-03-18   
475-622 3 Wolcott CT HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920   2023-01-11   
475-622 5 Wolcott CT HRFRCT03XSX  516J TON80 COMMUNICATIONS, LLC 920   2022-03-17   
475-622 8 Wolcott CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2024-03-07   
475-639 A Redding CT HRFRCT03XSX  516J TON80 COMMUNICATIONS, LLC 920      
475-639 0 Redding CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2022-10-23   
475-639 1 Redding CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2022-10-23   
475-639 2 Redding CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2022-10-23   
475-639 3 Redding CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2022-10-23   
475-639 4 Redding CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2022-10-23   
475-639 7 Redding CT HRFRCT03XSX  516J TON80 COMMUNICATIONS, LLC 920   2022-03-27   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 >>

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.