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
475-320 8 Ansonia-Derby CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2022-01-17   
475-320 9 Ansonia-Derby CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2022-01-17   
475-321 A New Haven CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920      
475-321 0 New Haven CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2022-10-28   
475-321 1 New Haven CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2022-10-28   
475-321 2 New Haven CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2022-10-28   
475-321 3 New Haven CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2022-10-28   
475-321 4 New Haven CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2022-10-28   
475-321 5 New Haven CT HRFRCTBC2MD  073H TELNYX LLC 920   2022-12-26   
475-321 6 New Haven CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2022-11-04   
475-321 7 New Haven CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2022-12-23   
475-321 8 New Haven CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2022-11-04   
475-321 9 New Haven CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2022-11-04   
475-322 A Norwalk CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920      
475-322 0 Norwalk CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2016-06-24   
475-322 1 Norwalk CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2016-08-01   
475-322 2 Norwalk CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2017-06-09   
475-322 3 Norwalk CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2016-09-01   
475-322 4 Norwalk CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2016-09-01   
475-322 5 Norwalk CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2016-09-01   
475-322 6 Norwalk CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2016-10-14   
475-322 7 Norwalk CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2016-10-14   
475-322 8 Norwalk CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2016-10-14   
475-322 9 Norwalk CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2016-11-14   
475-323 A Newtown CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920      
475-323 0 Newtown CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2016-11-27   
475-323 1 Newtown CT HRFRCT03HMD  073H TELNYX LLC 920   2018-05-02   
475-323 2 Newtown CT WLMNCT132MD  792K CHARTER IP ENABLED SERVICES, LLC 920   2016-03-14   
475-323 3 Newtown CT   5562 METROPCS, INC. 920   2018-09-21   
475-323 4 Newtown CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2019-08-09   
475-323 5 Newtown CT   145J TERRA NOVA TELECOM INC. 920   2022-10-07   
475-323 6 Newtown CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2019-08-09   
475-323 7 Newtown CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2017-10-21   
475-323 8 Newtown CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2016-02-08   
475-323 9 Newtown CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2015-09-27   
475-324 A Trumbull CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
475-324 0 Trumbull CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2024-02-29   
475-324 1 Trumbull CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2024-02-29   
475-324 2 Trumbull CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2023-08-26   
475-324 3 Trumbull CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2024-07-28   
475-324 4 Trumbull CT   5562 METROPCS, INC. 920   2024-10-13   
475-324 6 Trumbull CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2025-01-09   
475-324 7 Trumbull CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2024-07-12   
475-324 8 Trumbull CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2024-02-29   
475-324 9 Trumbull CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2024-07-12   
475-325 A Georgetown CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920      
475-325 0 Georgetown CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2015-01-29   
475-325 1 Georgetown CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2015-01-29   
475-325 2 Georgetown CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2015-05-09   
475-325 3 Georgetown CT HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2018-10-21   
475-325 4 Georgetown CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2019-05-05   
475-325 5 Georgetown CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2019-08-09   
475-325 6 Georgetown CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2019-08-09   
475-325 7 Georgetown CT HRFRCT03HMD  073H TELNYX LLC 920   2018-05-02   
475-325 8 Georgetown CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2015-04-27   
475-325 9 Georgetown CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2017-03-04   
475-326 A Waterbury CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920      
475-326 0 Waterbury CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2023-09-30   
475-326 1 Waterbury CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2023-09-30   
475-326 2 Waterbury CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2023-10-14   
475-326 3 Waterbury CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2023-10-14   
475-326 4 Waterbury CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2023-10-14   
475-326 5 Waterbury CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2023-10-14   
475-326 6 Waterbury CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2023-10-14   
475-326 7 Waterbury CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2023-10-14   
475-326 8 Waterbury CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2023-08-07   
475-326 9 Waterbury CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2023-08-07   
475-327 A Milford CT HRFRCT03XSX  516J TON80 COMMUNICATIONS, LLC 920      
475-327 0 Milford CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2023-10-14   
475-327 1 Milford CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2023-10-14   
475-327 2 Milford CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2023-06-05   
475-327 3 Milford CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2023-07-14   
475-327 4 Milford CT NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920   2022-03-17   
475-327 5 Milford CT NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920   2022-03-17   
475-327 6 Milford CT HRFRCT03XSX  516J TON80 COMMUNICATIONS, LLC 920   2022-03-16   
475-327 7 Milford CT HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920   2023-07-13   
475-327 8 Milford CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2023-07-14   
475-327 9 Milford CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2023-10-14   
475-328 A Darien CT SMFRCTDSDS0  7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920      
475-328 0 Darien CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2014-12-07   
475-328 1 Darien CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2015-05-10   
475-328 2 Darien CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2015-05-10   
475-328 3 Darien CT SMFRCTDSDS0  7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2014-06-21   
475-328 4 Darien CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2015-05-08   
475-328 5 Darien CT NRWLCT02XMD  4950 CABLEVISION LIGHTPATH, INC. - CT 920   2014-10-09   
475-328 6 Darien CT HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920   2014-09-28   
475-328 7 Darien CT NWLNCTCS6MD  508J CENTURYLINK COMMUNICATIONS, LLC 920   2014-07-16   
475-328 8 Darien CT HRFRCT03HMD  073H TELNYX LLC 920   2017-04-06   
475-328 9 Darien CT NRWLCT028MD  4950 CABLEVISION LIGHTPATH, INC. - CT 920   2014-08-22   
475-329 A Danbury CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920      
475-329 0 Danbury CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2014-05-24   
475-329 1 Danbury CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2014-05-24   
475-329 2 Danbury CT HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920   2016-12-01   
475-329 3 Danbury CT   829J PAETEC ITEL, LLC 920   2014-05-28   
475-329 4 Danbury CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2015-05-10   
475-329 5 Danbury CT HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920   2015-11-18   
475-329 6 Danbury CT SMFRCTCTDS0  7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920   2014-05-28   
475-329 7 Danbury CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2015-05-10   
475-329 8 Danbury CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2014-12-06   
475-329 9 Danbury CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2014-12-06   

<< 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: LES.NET

Like this site? We accept donations via PayPal.