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: 544

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
475-544 A Norwalk CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920      
475-544 0 Norwalk CT MDTWCTNIGT1  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2022-05-18   
475-544 1 Norwalk CT   515J IP HORIZON LLC 920   2022-07-08   
475-544 2 Norwalk CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2023-07-14   
475-544 3 Norwalk CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2023-07-14   
475-544 4 Norwalk CT MDTWCTNIGT1  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2023-11-17   
475-544 6 Norwalk CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2022-03-17   
475-544 7 Norwalk CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2022-03-17   
475-544 8 Norwalk CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2022-03-17   
475-544 9 Norwalk CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2022-03-17   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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