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: 280

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
475-280 A Ansonia-Derby CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920      
475-280 0 Ansonia-Derby CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2021-07-30   
475-280 1 Ansonia-Derby CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2021-07-30   
475-280 2 Ansonia-Derby CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2021-07-19   
475-280 3 Ansonia-Derby CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2021-07-19   
475-280 4 Ansonia-Derby CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2021-07-19   
475-280 5 Ansonia-Derby CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2021-07-19   
475-280 6 Ansonia-Derby CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2021-07-30   
475-280 7 Ansonia-Derby CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2021-10-08   
475-280 8 Ansonia-Derby CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2021-05-10   
475-280 9 Ansonia-Derby CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2021-05-10   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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