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
475-399 9 Stamford CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2024-09-24   
475-400 A Stamford CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
475-400 0 Stamford CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2018-01-22   
475-400 1 Stamford CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2018-01-25   
475-400 2 Stamford CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2018-01-25   
475-400 3 Stamford CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2018-01-25   
475-400 4 Stamford CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2018-01-25   
475-400 5 Stamford CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2018-01-25   
475-400 6 Stamford CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2018-01-25   
475-400 7 Stamford CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2019-05-15   
475-400 8 Stamford CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2020-02-10   
475-400 9 Stamford CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2020-03-02   
475-405 A Cheshire CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
475-405 0 Cheshire CT NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920   2021-03-12   
475-405 1 Cheshire CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2020-07-26   
475-405 2 Cheshire CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2020-07-26   
475-405 3 Cheshire CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2020-07-26   
475-405 4 Cheshire CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2021-03-04   
475-405 5 Cheshire CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2021-03-04   
475-405 6 Cheshire CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2021-05-15   
475-405 8 Cheshire CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2021-05-15   
475-405 9 Cheshire CT HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2020-09-26   
475-410 A Woodbury CT NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920      
475-410 0 Woodbury CT NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920   2021-04-16   
475-410 1 Woodbury CT   515J IP HORIZON LLC 920   2022-07-23   
475-410 2 Woodbury CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2023-08-18   
475-410 3 Woodbury CT NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920   2022-01-28   
475-410 5 Woodbury CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2021-04-17   
475-410 6 Woodbury CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2021-04-17   
475-410 7 Woodbury CT NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920   2022-01-28   
475-410 8 Woodbury CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2023-08-18   
475-410 9 Woodbury CT HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2022-07-27   
475-414 A New Haven CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920      
475-414 0 New Haven CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2015-11-15   
475-414 1 New Haven CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2016-08-01   
475-414 2 New Haven CT   829J PAETEC ITEL, LLC 920   2017-06-12   
475-414 3 New Haven CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2017-12-27   
475-414 4 New Haven CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2016-10-16   
475-414 5 New Haven CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2016-10-16   
475-414 6 New Haven CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2016-01-29   
475-414 7 New Haven CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2018-01-10   
475-414 8 New Haven CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2016-02-06   
475-414 9 New Haven CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2016-02-06   
475-419 A Stamford CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920      
475-419 0 Stamford CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2015-08-15   
475-419 1 Stamford CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2024-09-24   
475-419 2 Stamford CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2015-08-15   
475-419 3 Stamford CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2015-08-15   
475-419 4 Stamford CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2015-10-04   
475-419 5 Stamford CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2015-10-04   
475-419 6 Stamford CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2015-10-30   
475-419 7 Stamford CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2015-10-30   
475-419 8 Stamford CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2015-09-08   
475-419 9 Stamford CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2015-09-08   
475-422 A Bridgeport CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920      
475-422 0 Bridgeport CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2013-02-17   
475-422 1 Bridgeport CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2013-03-01   
475-422 2 Bridgeport CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2013-03-01   
475-422 3 Bridgeport CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2014-09-06   
475-422 4 Bridgeport CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2014-09-19   
475-422 5 Bridgeport CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2015-05-26   
475-422 6 Bridgeport CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2013-08-12   
475-422 7 Bridgeport CT HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2013-04-29   
475-422 8 Bridgeport CT HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2013-04-29   
475-422 9 Bridgeport CT NRWLCT028MD  4950 CABLEVISION LIGHTPATH, INC. - CT 920   2013-04-15   
475-426 A Ridgefield CT HRFRCT03XSX  516J TON80 COMMUNICATIONS, LLC 920      
475-426 0 Ridgefield CT   515J IP HORIZON LLC 920   2022-08-04   
475-426 1 Ridgefield CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2023-08-18   
475-426 2 Ridgefield CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2023-08-18   
475-426 3 Ridgefield CT HRFRCT03XSX  516J TON80 COMMUNICATIONS, LLC 920   2022-03-16   
475-426 4 Ridgefield CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2023-08-18   
475-426 5 Ridgefield CT HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920   2022-06-28   
475-426 6 Ridgefield CT NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920   2022-03-17   
475-426 7 Ridgefield CT NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920   2022-03-17   
475-426 8 Ridgefield CT HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920   2022-06-28   
475-426 9 Ridgefield CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2023-08-18   
475-434 A New Haven CT BLFDCTAP2MD  5562 METROPCS, INC. 920      
475-434 0 New Haven CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2015-01-19   
475-434 1 New Haven CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2015-01-19   
475-434 2 New Haven CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2015-01-19   
475-434 3 New Haven CT BLFDCTAP2MD  5562 METROPCS, INC. 920   2015-01-19   
475-434 4 New Haven CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2015-10-30   
475-434 5 New Haven CT BLFDCTAP2MD  5562 METROPCS, INC. 920   2017-03-31   
475-434 6 New Haven CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2015-10-04   
475-434 7 New Haven CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2015-10-30   
475-434 8 New Haven CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2015-09-16   
475-434 9 New Haven CT BLFDCTAP2MD  5562 METROPCS, INC. 920   2015-01-16   
475-439 A Ansonia-Derby CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920      
475-439 0 Ansonia-Derby CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2016-04-16   
475-439 1 Ansonia-Derby CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2015-10-11   
475-439 2 Ansonia-Derby CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2016-04-16   
475-439 3 Ansonia-Derby CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2018-10-07   
475-439 4 Ansonia-Derby CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2016-09-17   
475-439 5 Ansonia-Derby CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2016-01-16   
475-439 6 Ansonia-Derby CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2016-01-16   
475-439 7 Ansonia-Derby CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2015-10-28   
475-439 8 Ansonia-Derby CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2015-10-28   
475-439 9 Ansonia-Derby CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2015-09-19   
475-441 A New Haven CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920      
475-441 0 New Haven CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2015-03-06   

<< 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: Execulink Telecom

Like this site? We accept donations via PayPal.