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: 281

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
475-281 A Ansonia-Derby CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920      
475-281 0 Ansonia-Derby CT NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920   2021-03-12   
475-281 1 Ansonia-Derby CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2021-04-02   
475-281 2 Ansonia-Derby CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2021-03-04   
475-281 3 Ansonia-Derby CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2021-03-04   
475-281 4 Ansonia-Derby CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2024-09-21   
475-281 5 Ansonia-Derby CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2021-04-02   
475-281 6 Ansonia-Derby CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2021-09-02   
475-281 7 Ansonia-Derby CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2021-02-05   
475-281 8 Ansonia-Derby CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2021-02-05   
475-281 9 Ansonia-Derby CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2021-02-05   

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

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