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
475-294 8 Milford CT HRFRCTBCDS1  920   2021-11-01   
475-302 A Bridgeport CT HRFRCTBCDS1  920      
475-302 2 Bridgeport CT HRFRCTBCDS1  920   2021-12-06   
475-302 3 Bridgeport CT HRFRCTBCDS1  920   2021-12-06   
475-302 4 Bridgeport CT HRFRCTBCDS1  920   2021-12-06   
475-302 5 Bridgeport CT HRFRCTBCDS1  920   2021-12-06   
475-303 2 Greenwich CT NYCMNYBXDSL  132   2021-08-08   
475-303 4 Greenwich CT NYCMNYBXDSL  132   2021-02-06   
475-303 5 Greenwich CT NYCMNYBXDSL  132   2021-02-06   
475-303 6 Greenwich CT NYCMNYBXDSL  132   2021-02-06   
475-303 7 Greenwich CT NYCMNYBXDSL  132   2021-02-06   
475-304 A Huntington CT HRFRCTBCDS1  920      
475-304 1 Huntington CT HRFRCTBCDS1  920   2023-09-11   
475-304 4 Huntington CT HRFRCTBCDS1  920   2021-12-06   
475-304 5 Huntington CT HRFRCTBCDS1  920   2021-12-06   
475-304 6 Huntington CT HRFRCTBCDS1  920   2021-12-06   
475-304 7 Huntington CT HRFRCTBCDS1  920   2021-12-06   
475-304 8 Huntington CT HRFRCTBCDS1  920   2022-01-15   
475-306 6 New Haven CT HRFRCTBCDS1  920   2022-09-25   
475-306 7 New Haven CT HRFRCTBCDS1  920   2022-09-25   
475-309 3 Ansonia-Derby CT HRFRCTBCDS1  920   2021-11-13   
475-309 4 Ansonia-Derby CT HRFRCTBCDS1  920   2021-11-13   
475-309 5 Ansonia-Derby CT HRFRCTBCDS1  920   2021-11-13   
475-309 6 Ansonia-Derby CT HRFRCTBCDS1  920   2021-11-13   
475-310 3 Wallingford CT HRFRCTBCDS1  920   2022-01-18   
475-313 0 Waterbury CT HRFRCTBCDS1  920   2016-02-26   
475-313 1 Waterbury CT HRFRCTBCDS1  920   2016-02-26   
475-314 0 Huntington CT   920   2024-03-09   
475-314 6 Huntington CT   920   2024-04-04   
475-314 8 Huntington CT HRFRCTBCDS1  920   2023-07-14   
475-315 2 Cheshire CT HRFRCTBCDS1  920   2022-02-05   
475-315 3 Cheshire CT HRFRCTBCDS1  920   2022-02-05   
475-315 9 Cheshire CT HRFRCTBCDS1  920   2023-06-26   
475-317 0 New Haven CT HRFRCTBCDS1  920   2023-06-26   
475-317 1 New Haven CT HRFRCTBCDS1  920   2023-02-21   
475-317 2 New Haven CT HRFRCTBCDS1  920   2023-02-21   
475-317 3 New Haven CT HRFRCTBCDS1  920   2023-02-21   
475-317 5 New Haven CT   920   2024-02-09   
475-317 6 New Haven CT   920   2024-02-09   
475-317 7 New Haven CT   920   2024-02-09   
475-318 7 New Haven CT HRFRCTBCDS1  920   2023-06-26   
475-318 8 New Haven CT HRFRCTBCDS1  920   2023-06-12   
475-318 9 New Haven CT HRFRCTBCDS1  920   2023-06-26   
475-320 3 Ansonia-Derby CT HRFRCTBCDS1  920   2022-01-18   
475-320 4 Ansonia-Derby CT HRFRCTBCDS1  920   2022-01-18   
475-323 4 Newtown CT HRFRCTBCDS1  920   2019-08-09   
475-323 6 Newtown CT HRFRCTBCDS1  920   2019-08-09   
475-324 A Trumbull CT HRFRCTBCDS1  920      
475-324 0 Trumbull CT   920   2024-02-29   
475-324 1 Trumbull CT   920   2024-02-29   

<< 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: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.