Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 475 [Rate centres in NPA 475] [Dial plan for NPA 475]

NXX: 364

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
475-364 A Woodbury CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2024-04-22   
475-364 0 Woodbury CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2024-04-22   
475-364 1 Woodbury CT   199F BANDWIDTH.COM CLEC, LLC - CT 920   2025-05-12   
475-364 5 Woodbury CT   6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2025-05-30   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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