Local Calling Guide

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

NXX: 755

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
475-755 A Norwalk CT HRFRCT03XOX  965H FRACTEL, LLC 920      
475-755 0 Norwalk CT   624H ONVOY SPECTRUM, LLC 920   2021-03-12   
475-755 1 Norwalk CT   6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2021-09-23   
475-755 2 Norwalk CT   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2021-09-30   
475-755 3 Norwalk CT   197D VONAGE AMERICA LLC 920   2021-06-11   
475-755 4 Norwalk CT   197D VONAGE AMERICA LLC 920   2021-06-11   
475-755 5 Norwalk CT   965H FRACTEL, LLC 920   2020-09-17   
475-755 6 Norwalk CT   639C ONVOY, LLC - CT 920   2020-11-22   
475-755 7 Norwalk CT   639C ONVOY, LLC - CT 920   2020-11-22   
475-755 8 Norwalk CT   639C ONVOY, LLC - CT 920   2020-11-22   
475-755 9 Norwalk CT   6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2021-09-30   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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