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 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
475-454 8 Danbury CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2021-02-18   
475-455 A Ansonia-Derby CT HRFRCT03XOX  965H FRACTEL, LLC 920      
475-455 0 Ansonia-Derby CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2020-09-18   
475-455 1 Ansonia-Derby CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2020-09-18   
475-455 2 Ansonia-Derby CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2021-10-08   
475-455 3 Ansonia-Derby CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2021-10-08   
475-455 4 Ansonia-Derby CT   6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2024-02-16   
475-455 5 Ansonia-Derby CT HRFRCT03XOX  965H FRACTEL, LLC 920   2020-09-17   
475-455 6 Ansonia-Derby CT   6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2024-02-16   
475-455 7 Ansonia-Derby CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2021-01-01   
475-455 8 Ansonia-Derby CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2020-11-06   
475-455 9 Ansonia-Derby CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2020-11-06   
475-459 A Norwalk CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920      
475-459 0 Norwalk CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2018-06-21   
475-459 1 Norwalk CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2018-06-21   
475-459 2 Norwalk CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2019-04-19   
475-459 3 Norwalk CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2019-04-19   
475-459 4 Norwalk CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2019-04-19   
475-459 5 Norwalk CT MDTWCTNIGT1  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2018-07-30   
475-459 6 Norwalk CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2019-04-19   
475-459 7 Norwalk CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2019-04-19   
475-459 8 Norwalk CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2019-04-19   
475-459 9 Norwalk CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2019-04-19   
475-463 A Seymour CT HRFRCT03XSX  516J TON80 COMMUNICATIONS, LLC 920      
475-463 0 Seymour CT   515J IP HORIZON LLC 920   2022-07-29   
475-463 2 Seymour CT HRFRCT0389Z  490J DISH WIRELESS, LLC 920   2023-05-14   
475-463 3 Seymour CT NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920   2022-03-20   
475-463 4 Seymour CT NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920   2022-03-20   
475-463 5 Seymour CT   145J TERRA NOVA TELECOM INC. 920   2024-05-02   
475-463 6 Seymour CT HRFRCT03XSX  516J TON80 COMMUNICATIONS, LLC 920   2022-03-19   
475-463 7 Seymour CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2023-08-18   
475-463 8 Seymour CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2023-08-18   
475-463 9 Seymour CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2023-08-18   
475-465 A Old Greenwich CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
475-465 0 Old Greenwich CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2016-07-18   
475-465 1 Old Greenwich CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2017-03-27   
475-465 2 Old Greenwich CT HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2018-12-21   
475-465 3 Old Greenwich CT HRFRCT03XSX  516J TON80 COMMUNICATIONS, LLC 920   2021-06-03   
475-465 4 Old Greenwich CT HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2019-03-23   
475-465 5 Old Greenwich CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2020-07-06   
475-465 6 Old Greenwich CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2020-07-06   
475-465 7 Old Greenwich CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2019-03-29   
475-465 8 Old Greenwich CT HRFRCT03HMD  073H TELNYX LLC 920   2017-04-06   
475-465 9 Old Greenwich CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2019-03-29   
475-466 A Madison CT HRFRCT03XSX  516J TON80 COMMUNICATIONS, LLC 920      
475-466 0 Madison CT   515J IP HORIZON LLC 920   2022-07-31   
475-466 1 Madison CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2023-10-14   
475-466 2 Madison CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2023-10-14   
475-466 3 Madison CT HRFRCT03XSX  516J TON80 COMMUNICATIONS, LLC 920   2022-03-16   
475-466 4 Madison CT NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920   2022-03-17   

<< 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 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 >>

Last updated: Sat, 01 Jun 2024 11:59:14 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.