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: 290

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
475-290 A Danbury CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920      
475-290 0 Danbury CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2021-10-30   
475-290 1 Danbury CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2021-10-30   
475-290 2 Danbury CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2021-10-30   
475-290 3 Danbury CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2021-10-30   
475-290 4 Danbury CT   515J IP HORIZON LLC 920   2022-07-08   
475-290 5 Danbury CT NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920   2022-01-22   
475-290 6 Danbury CT   639C ONVOY, LLC - CT 920   2024-02-04   
475-290 7 Danbury CT NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920   2022-01-22   
475-290 8 Danbury CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2023-01-06   
475-290 9 Danbury CT MDTWCTNIGT1  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2023-11-03   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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