Local Calling Guide

Area code/prefix search

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
475-476 2 Bridgeport CT 639C ONVOY, LLC - CT 920   2020-07-05   
475-476 7 Bridgeport CT 639C ONVOY, LLC - CT 920   2019-04-25   
475-476 8 Bridgeport CT 639C ONVOY, LLC - CT 920   2019-04-25   
475-477 A Stamford CT 639C ONVOY, LLC - CT 920      
475-477 4 Stamford CT 639C ONVOY, LLC - CT 920   2020-01-16   
475-477 5 Stamford CT 639C ONVOY, LLC - CT 920   2020-01-16   
475-477 6 Stamford CT 639C ONVOY, LLC - CT 920   2020-01-16   
475-477 7 Stamford CT 639C ONVOY, LLC - CT 920   2020-01-16   
475-477 8 Stamford CT 639C ONVOY, LLC - CT 920   2020-03-02   
475-480 8 New Haven CT 639C ONVOY, LLC - CT 920   2022-09-25   
475-480 9 New Haven CT 639C ONVOY, LLC - CT 920   2022-09-25   
475-489 9 Norwalk CT 639C ONVOY, LLC - CT 920   2019-03-29   
475-501 A Georgetown CT 639C ONVOY, LLC - CT 920      
475-501 1 Georgetown CT 639C ONVOY, LLC - CT 920   2020-08-10   
475-501 2 Georgetown CT 639C ONVOY, LLC - CT 920   2020-08-10   
475-501 3 Georgetown CT 639C ONVOY, LLC - CT 920   2021-03-04   
475-501 4 Georgetown CT 639C ONVOY, LLC - CT 920   2021-03-04   
475-522 2 Madison CT 639C ONVOY, LLC - CT 920   2019-08-09   
475-522 3 Madison CT 639C ONVOY, LLC - CT 920   2020-07-05   
475-522 4 Madison CT 639C ONVOY, LLC - CT 920   2021-03-04   
475-522 5 Madison CT 639C ONVOY, LLC - CT 920   2021-03-04   
475-522 9 Madison CT 639C ONVOY, LLC - CT 920   2015-06-29   
475-544 2 Norwalk CT 639C ONVOY, LLC - CT 920   2023-07-14   
475-544 3 Norwalk CT 639C ONVOY, LLC - CT 920   2023-07-14   
475-548 0 Meriden CT 639C ONVOY, LLC - CT 920   2023-08-18   
475-548 1 Meriden CT 639C ONVOY, LLC - CT 920   2023-08-18   
475-548 2 Meriden CT 639C ONVOY, LLC - CT 920   2023-08-18   
475-548 4 Meriden CT 639C ONVOY, LLC - CT 920   2023-08-18   
475-548 5 Meriden CT 639C ONVOY, LLC - CT 920   2023-08-18   
475-548 6 Meriden CT 639C ONVOY, LLC - CT 920   2023-08-18   
475-548 7 Meriden CT 639C ONVOY, LLC - CT 920   2023-08-18   
475-548 8 Meriden CT 639C ONVOY, LLC - CT 920   2023-08-18   
475-548 9 Meriden CT 639C ONVOY, LLC - CT 920   2023-08-18   
475-549 3 Milford CT 639C ONVOY, LLC - CT 920   2019-06-14   
475-549 5 Milford CT 639C ONVOY, LLC - CT 920   2018-07-14   
475-549 6 Milford CT 639C ONVOY, LLC - CT 920   2019-03-29   
475-549 7 Milford CT 639C ONVOY, LLC - CT 920   2019-03-29   
475-549 9 Milford CT 639C ONVOY, LLC - CT 920   2015-06-29   
475-550 5 Stamford CT 639C ONVOY, LLC - CT 920   2023-08-06   
475-550 6 Stamford CT 639C ONVOY, LLC - CT 920   2022-12-19   
475-550 7 Stamford CT 639C ONVOY, LLC - CT 920   2022-12-19   
475-550 8 Stamford CT 639C ONVOY, LLC - CT 920   2022-12-19   
475-550 9 Stamford CT 639C ONVOY, LLC - CT 920   2022-12-19   
475-557 0 Waterbury CT 639C ONVOY, LLC - CT 920   2020-08-20   
475-557 2 Waterbury CT 639C ONVOY, LLC - CT 920   2019-06-14   
475-557 3 Waterbury CT 639C ONVOY, LLC - CT 920   2019-06-14   
475-557 4 Waterbury CT 639C ONVOY, LLC - CT 920   2020-08-20   
475-557 8 Waterbury CT 639C ONVOY, LLC - CT 920   2019-03-30   
475-557 9 Waterbury CT 639C ONVOY, LLC - CT 920   2019-03-30   
475-558 2 New Canaan CT 639C ONVOY, LLC - CT 920   2019-08-09   

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

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