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: 320

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
475-320 A Ansonia-Derby CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT DBA T-MOBILE USA 920   2022-01-17   
475-320 0 Ansonia-Derby CT   515J IP HORIZON LLC 920   2022-07-22   
475-320 1 Ansonia-Derby CT   624H ONVOY SPECTRUM, LLC 920   2022-03-04   
475-320 2 Ansonia-Derby CT   624H ONVOY SPECTRUM, LLC 920   2022-03-04   
475-320 3 Ansonia-Derby CT   624H ONVOY SPECTRUM, LLC 920   2022-01-18   
475-320 4 Ansonia-Derby CT   624H ONVOY SPECTRUM, LLC 920   2022-01-18   
475-320 5 Ansonia-Derby CT   6624 OMNIPOINT COMMUNICATIONS, INC. - CT DBA T-MOBILE USA 920   2022-01-17   
475-320 6 Ansonia-Derby CT   6624 OMNIPOINT COMMUNICATIONS, INC. - CT DBA T-MOBILE USA 920   2022-01-17   
475-320 7 Ansonia-Derby CT   6624 OMNIPOINT COMMUNICATIONS, INC. - CT DBA T-MOBILE USA 920   2022-01-17   
475-320 8 Ansonia-Derby CT   6624 OMNIPOINT COMMUNICATIONS, INC. - CT DBA T-MOBILE USA 920   2022-01-17   
475-320 9 Ansonia-Derby CT   6624 OMNIPOINT COMMUNICATIONS, INC. - CT DBA T-MOBILE USA 920   2022-01-17   

Last updated: Fri, 01 Jul 2022 02:53:40 UTC

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