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: 466

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
475-466 A Madison CT HRFRCT03XSX  516J TON80 COMMUNICATIONS, LLC 920      
475-466 0 Madison CT   515J IP HORIZON LLC 920   2022-07-31   
475-466 1 Madison CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2023-10-14   
475-466 2 Madison CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2023-10-14   
475-466 3 Madison CT HRFRCT03XSX  516J TON80 COMMUNICATIONS, LLC 920   2022-03-16   
475-466 4 Madison CT NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920   2022-03-17   
475-466 5 Madison CT NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920   2022-03-17   
475-466 6 Madison CT   639C ONVOY, LLC - CT 920   2026-10-09   
475-466 7 Madison CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2023-10-14   
475-466 8 Madison CT HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2023-09-08   
475-466 9 Madison CT HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2022-03-25   

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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