Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
475-558 3 New Canaan CT 639C ONVOY, LLC - CT 920   2019-08-09   
475-558 5 New Canaan CT 639C ONVOY, LLC - CT 920   2020-07-06   
475-558 8 New Canaan CT 639C ONVOY, LLC - CT 920   2015-07-03   
475-575 A Ridgefield CT 639C ONVOY, LLC - CT 920      
475-575 1 Ridgefield CT 639C ONVOY, LLC - CT 920   2020-07-12   
475-575 2 Ridgefield CT 639C ONVOY, LLC - CT 920   2020-07-12   
475-575 5 Ridgefield CT 639C ONVOY, LLC - CT 920   2020-11-16   
475-575 6 Ridgefield CT 639C ONVOY, LLC - CT 920   2021-04-15   
475-575 7 Ridgefield CT 639C ONVOY, LLC - CT 920   2020-11-16   
475-575 8 Ridgefield CT 639C ONVOY, LLC - CT 920   2021-04-15   
475-600 A Seymour CT 639C ONVOY, LLC - CT 920      
475-600 0 Seymour CT 639C ONVOY, LLC - CT 920   2019-09-13   
475-600 5 Seymour CT 639C ONVOY, LLC - CT 920   2021-04-15   
475-600 6 Seymour CT 639C ONVOY, LLC - CT 920   2019-09-13   
475-600 7 Seymour CT 639C ONVOY, LLC - CT 920   2021-04-15   
475-600 8 Seymour CT 639C ONVOY, LLC - CT 920   2020-07-05   
475-600 9 Seymour CT 639C ONVOY, LLC - CT 920   2020-07-05   
475-619 3 Stamford CT 639C ONVOY, LLC - CT 920   2015-05-08   
475-622 8 Wolcott CT 639C ONVOY, LLC - CT 920   2024-03-07   
475-655 7 New Haven CT 639C ONVOY, LLC - CT 920   2015-05-08   
475-666 5 Westport CT 639C ONVOY, LLC - CT 920   2018-10-15   
475-673 0 Norwalk CT 639C ONVOY, LLC - CT 920   2024-01-07   
475-673 1 Norwalk CT 639C ONVOY, LLC - CT 920   2024-01-07   
475-673 3 Norwalk CT 639C ONVOY, LLC - CT 920   2023-01-20   
475-673 4 Norwalk CT 639C ONVOY, LLC - CT 920   2023-01-20   
475-673 5 Norwalk CT 639C ONVOY, LLC - CT 920   2023-01-20   
475-673 8 Norwalk CT 639C ONVOY, LLC - CT 920   2024-07-15   
475-673 9 Norwalk CT 639C ONVOY, LLC - CT 920   2024-06-07   
475-675 1 Seymour CT 639C ONVOY, LLC - CT 920   2015-05-08   
475-685 1 Stamford CT 639C ONVOY, LLC - CT 920   2019-06-14   
475-685 2 Stamford CT 639C ONVOY, LLC - CT 920   2019-06-14   
475-685 9 Stamford CT 639C ONVOY, LLC - CT 920   2019-02-15   
475-688 3 Meriden CT 639C ONVOY, LLC - CT 920   2021-11-19   
475-688 4 Meriden CT 639C ONVOY, LLC - CT 920   2021-11-19   
475-688 5 Meriden CT 639C ONVOY, LLC - CT 920   2021-01-01   
475-688 6 Meriden CT 639C ONVOY, LLC - CT 920   2021-01-01   
475-688 7 Meriden CT 639C ONVOY, LLC - CT 920   2021-11-19   
475-688 9 Meriden CT 639C ONVOY, LLC - CT 920   2021-11-19   
475-689 2 Waterbury CT 639C ONVOY, LLC - CT 920   2015-05-08   
475-701 0 Naugatuck CT 639C ONVOY, LLC - CT 920   2019-05-06   
475-701 1 Naugatuck CT 639C ONVOY, LLC - CT 920   2019-05-06   
475-701 2 Naugatuck CT 639C ONVOY, LLC - CT 920   2020-07-06   
475-739 0 Wolcott CT 639C ONVOY, LLC - CT 920   2019-06-17   
475-739 5 Wolcott CT 639C ONVOY, LLC - CT 920   2021-03-04   
475-739 6 Wolcott CT 639C ONVOY, LLC - CT 920   2020-07-05   
475-739 7 Wolcott CT 639C ONVOY, LLC - CT 920   2020-07-05   
475-739 8 Wolcott CT 639C ONVOY, LLC - CT 920   2019-06-17   
475-750 2 Danbury CT 639C ONVOY, LLC - CT 920   2022-12-30   
475-750 3 Danbury CT 639C ONVOY, LLC - CT 920   2022-12-30   
475-750 4 Danbury CT 639C ONVOY, LLC - CT 920   2022-12-30   

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Last updated: Fri, 10 Jul 2026 02:55:48 UTC

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