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: 216

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
475-216 A Ansonia-Derby CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920      
475-216 0 Ansonia-Derby CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2019-08-09   
475-216 1 Ansonia-Derby CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2019-07-05   
475-216 2 Ansonia-Derby CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2019-08-12   
475-216 3 Ansonia-Derby CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2019-10-27   
475-216 4 Ansonia-Derby CT HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2020-01-15   
475-216 5 Ansonia-Derby CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2020-02-24   
475-216 6 Ansonia-Derby CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2020-02-28   
475-216 7 Ansonia-Derby CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2020-02-28   
475-216 8 Ansonia-Derby CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2020-03-12   
475-216 9 Ansonia-Derby CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2019-02-23   

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

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