Local Calling Guide

Area code/prefix search

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NPA: 475 [Rate centres in NPA 475] [Dial plan for NPA 475]

NXX: 297

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
475-297 A Newtown CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920      
475-297 0 Newtown CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2021-11-28   
475-297 1 Newtown CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2021-11-29   
475-297 2 Newtown CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2021-11-29   
475-297 3 Newtown CT HRFRCT03XSX  516J TON80 COMMUNICATIONS, LLC 920   2022-03-15   
475-297 4 Newtown CT   515J IP HORIZON LLC 920   2022-07-29   
475-297 5 Newtown CT NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920   2022-01-28   
475-297 6 Newtown CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2022-10-14   
475-297 7 Newtown CT NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920   2022-01-28   
475-297 8 Newtown CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2021-12-17   
475-297 9 Newtown CT HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2023-03-24   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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