Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 639C ONVOY, LLC - CT

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
475-259 8 Darien CT   920   2019-03-29   
475-260 0 Huntington CT   920   2021-07-03   
475-260 1 Huntington CT   920   2021-07-03   
475-260 3 Huntington CT   920   2021-07-03   
475-260 5 Huntington CT   920   2021-06-03   
475-260 6 Huntington CT   920   2021-06-03   
475-260 7 Huntington CT   920   2021-06-03   
475-260 8 Huntington CT   920   2021-06-03   
475-260 9 Huntington CT   920   2021-07-03   
475-262 7 Huntington CT   920   2021-03-04   
475-262 8 Huntington CT   920   2020-08-20   
475-262 9 Huntington CT   920   2020-08-20   
475-263 3 Waterbury CT   920   2020-07-06   
475-263 4 Waterbury CT   920   2020-07-06   
475-264 A Darien CT HRFRCTBCDS1  920      
475-264 2 Darien CT   920   2020-05-24   
475-264 3 Darien CT   920   2020-05-24   
475-264 4 Darien CT   920   2020-08-20   
475-264 5 Darien CT   920   2025-05-02   
475-264 6 Darien CT   920   2020-08-20   
475-264 9 Darien CT   920   2024-04-05   
475-265 2 Trumbull CT   920   2020-05-24   
475-265 3 Trumbull CT   920   2020-05-24   
475-265 5 Trumbull CT   920   2020-08-20   
475-265 6 Trumbull CT   920   2020-08-20   
475-265 7 Trumbull CT   920   2020-11-22   
475-265 8 Trumbull CT   920   2020-11-22   
475-267 0 New Haven CT   920   2020-06-21   
475-267 1 New Haven CT   920   2020-06-21   
475-267 2 New Haven CT   920   2020-06-21   
475-267 4 New Haven CT   920   2020-08-20   
475-267 5 New Haven CT   920   2020-08-20   
475-267 6 New Haven CT   920   2020-08-20   
475-268 1 Stamford CT   920   2020-07-06   
475-268 7 Stamford CT   920   2020-07-06   
475-268 8 Stamford CT   920   2020-07-06   
475-269 A Huntington CT HRFRCTBCDS1  920      
475-269 0 Huntington CT   920   2015-07-24   
475-269 3 Huntington CT   920   2019-05-06   
475-269 4 Huntington CT   920   2019-05-06   
475-269 6 Huntington CT   920   2019-05-25   
475-269 7 Huntington CT   920   2020-05-24   
475-270 A Wallingford CT HRFRCTBCDS1  920      
475-270 1 Wallingford CT   920   2020-07-26   
475-270 2 Wallingford CT   920   2020-11-22   
475-270 3 Wallingford CT   920   2024-10-20   
475-270 4 Wallingford CT   920   2021-02-27   
475-270 5 Wallingford CT   920   2021-02-27   
475-270 6 Wallingford CT   920   2021-02-27   
475-270 7 Wallingford CT   920   2021-02-27   

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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