Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Ansonia-Derby, CT

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
475-777 4 MDTWCTNIGT1  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2015-08-12   
475-777 5 HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920   2015-04-03   
475-777 6 HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2015-05-01   
475-777 7 HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2014-11-28   
475-777 8 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2015-05-11   
475-777 9 MDTWCTNIGT1  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2015-06-17   

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Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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