Local Calling Guide

Area code/prefix search

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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
475-473 8 Woodbury CT   920   2020-07-06   
475-473 9 Woodbury CT   920   2020-07-06   
475-474 A Trumbull CT HRFRCTBCDS1  920      
475-474 2 Trumbull CT   920   2025-01-09   
475-474 4 Trumbull CT   920   2021-04-05   
475-474 5 Trumbull CT   920   2021-04-05   
475-474 6 Trumbull CT   920   2021-04-05   
475-474 7 Trumbull CT   920   2021-04-05   
475-474 8 Trumbull CT   920   2021-04-05   
475-476 A Bridgeport CT HRFRCTBCDS1  920      
475-476 1 Bridgeport CT   920   2020-07-05   
475-476 2 Bridgeport CT   920   2020-07-05   
475-476 7 Bridgeport CT   920   2019-04-25   
475-476 8 Bridgeport CT   920   2019-04-25   
475-477 A Stamford CT HRFRCTBCDS1  920      
475-477 4 Stamford CT   920   2020-01-16   
475-477 5 Stamford CT   920   2020-01-16   
475-477 6 Stamford CT   920   2020-01-16   
475-477 7 Stamford CT   920   2020-01-16   
475-477 8 Stamford CT   920   2020-03-02   
475-480 8 New Haven CT   920   2022-09-25   
475-480 9 New Haven CT   920   2022-09-25   
475-489 9 Norwalk CT   920   2019-03-29   
475-500 A Greenwich CT NYCMNYBXDSL  132      
475-500 0 Greenwich CT   132   2019-09-12   
475-500 2 Greenwich CT   132   2020-03-02   
475-500 3 Greenwich CT   132   2020-03-02   
475-500 5 Greenwich CT   132   2019-09-12   
475-500 6 Greenwich CT   132   2024-08-14   
475-500 7 Greenwich CT   132   2020-07-06   
475-500 8 Greenwich CT   132   2020-07-06   
475-500 9 Greenwich CT   132   2020-07-06   
475-501 A Georgetown CT HRFRCTBCDS1  920      
475-501 1 Georgetown CT   920   2020-08-10   
475-501 2 Georgetown CT   920   2020-08-10   
475-501 3 Georgetown CT   920   2021-03-04   
475-501 4 Georgetown CT   920   2021-03-04   
475-522 2 Madison CT   920   2019-08-09   
475-522 3 Madison CT   920   2020-07-05   
475-522 4 Madison CT   920   2021-03-04   
475-522 5 Madison CT   920   2021-03-04   
475-522 9 Madison CT   920   2015-06-29   
475-544 2 Norwalk CT   920   2023-07-14   
475-544 3 Norwalk CT   920   2023-07-14   
475-548 0 Meriden CT   920   2023-08-18   
475-548 1 Meriden CT   920   2023-08-18   
475-548 2 Meriden CT   920   2023-08-18   
475-548 4 Meriden CT   920   2023-08-18   
475-548 5 Meriden CT   920   2023-08-18   
475-548 6 Meriden CT   920   2023-08-18   

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

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