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: 867

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
475-867 A Danbury CT HRFRCTBC0MD  939H COMMIO, LLC 920      
475-867 0 Danbury CT   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2023-11-03   
475-867 1 Danbury CT   939H COMMIO, LLC 920   2023-12-23   
475-867 2 Danbury CT   939H COMMIO, LLC 920   2023-12-23   
475-867 3 Danbury CT   6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2023-12-20   
475-867 4 Danbury CT   6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2023-12-20   
475-867 5 Danbury CT   939H COMMIO, LLC 920   2022-11-13   
475-867 6 Danbury CT   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2025-02-19   
475-867 7 Danbury CT   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2025-02-19   
475-867 8 Danbury CT   539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2023-09-08   
475-867 9 Danbury CT   539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2023-03-24   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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