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.

OCN: 639C ONVOY, LLC - CT

<< 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 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
475-252 3 Byram CT NYCMNYBXDSL  132   2020-03-02   
475-252 4 Byram CT NYCMNYBXDSL  132   2020-08-20   
475-252 5 Byram CT NYCMNYBXDSL  132   2020-08-20   
475-252 7 Byram CT NYCMNYBXDSL  132   2020-06-21   
475-252 8 Byram CT NYCMNYBXDSL  132   2020-06-21   
475-252 9 Byram CT NYCMNYBXDSL  132   2020-06-21   
475-253 2 Wallingford CT HRFRCTBCDS1  920   2019-03-18   
475-253 3 Wallingford CT HRFRCTBCDS1  920   2019-03-18   
475-253 5 Wallingford CT HRFRCTBCDS1  920   2020-06-21   
475-253 7 Wallingford CT HRFRCTBCDS1  920   2020-02-28   
475-253 8 Wallingford CT HRFRCTBCDS1  920   2020-02-28   
475-255 0 Meriden CT HRFRCTBCDS1  920   2019-03-30   
475-255 1 Meriden CT HRFRCTBCDS1  920   2019-03-30   
475-255 2 Meriden CT HRFRCTBCDS1  920   2020-08-20   
475-255 3 Meriden CT HRFRCTBCDS1  920   2020-08-20   
475-255 6 Meriden CT HRFRCTBCDS1  920   2020-07-05   
475-255 7 Meriden CT HRFRCTBCDS1  920   2020-07-05   
475-256 0 Danbury CT HRFRCTBCDS1  920   2019-04-22   
475-256 1 Danbury CT HRFRCTBCDS1  920   2019-04-22   
475-256 5 Danbury CT HRFRCTBCDS1  920   2020-02-28   
475-256 6 Danbury CT HRFRCTBCDS1  920   2020-02-28   
475-258 7 Norwalk CT HRFRCTBCDS1  920   2020-07-05   
475-258 8 Norwalk CT HRFRCTBCDS1  920   2020-07-05   
475-259 0 Darien CT HRFRCTBCDS1  920   2017-12-09   
475-259 2 Darien CT HRFRCTBCDS1  920   2018-10-31   
475-259 3 Darien CT HRFRCTBCDS1  920   2018-10-31   
475-259 7 Darien CT HRFRCTBCDS1  920   2019-03-29   
475-259 8 Darien CT HRFRCTBCDS1  920   2019-03-29   
475-260 0 Huntington CT HRFRCTBCDS1  920   2021-07-03   
475-260 1 Huntington CT HRFRCTBCDS1  920   2021-07-03   
475-260 3 Huntington CT HRFRCTBCDS1  920   2021-07-03   
475-260 5 Huntington CT HRFRCTBCDS1  920   2021-06-03   
475-260 6 Huntington CT HRFRCTBCDS1  920   2021-06-03   
475-260 7 Huntington CT HRFRCTBCDS1  920   2021-06-03   
475-260 8 Huntington CT HRFRCTBCDS1  920   2021-06-03   
475-260 9 Huntington CT HRFRCTBCDS1  920   2021-07-03   
475-262 7 Huntington CT HRFRCTBCDS1  920   2021-03-04   
475-262 8 Huntington CT HRFRCTBCDS1  920   2020-08-20   
475-262 9 Huntington CT HRFRCTBCDS1  920   2020-08-20   
475-263 3 Waterbury CT HRFRCTBCDS1  920   2020-07-06   
475-263 4 Waterbury CT HRFRCTBCDS1  920   2020-07-06   
475-264 2 Darien CT HRFRCTBCDS1  920   2020-05-24   
475-264 3 Darien CT HRFRCTBCDS1  920   2020-05-24   
475-264 4 Darien CT HRFRCTBCDS1  920   2020-08-20   
475-264 6 Darien CT HRFRCTBCDS1  920   2020-08-20   
475-264 9 Darien CT   920   2024-04-05   
475-265 2 Trumbull CT HRFRCTBCDS1  920   2020-05-24   
475-265 3 Trumbull CT HRFRCTBCDS1  920   2020-05-24   
475-265 5 Trumbull CT HRFRCTBCDS1  920   2020-08-20   
475-265 6 Trumbull CT HRFRCTBCDS1  920   2020-08-20   

<< 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 >>

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.