Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 203 [Rate centres in NPA 203] [Dial plan for NPA 203]

NXX: 587

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
203-587 A Georgetown CT NRWLCT02SMD  4950 CABLEVISION LIGHTPATH, INC. - CT 920      
203-587 0 Georgetown CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2010-03-21   
203-587 1 Georgetown CT NRWLCT02SMD  4950 CABLEVISION LIGHTPATH, INC. - CT 920      
203-587 2 Georgetown CT NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920   2021-11-08   
203-587 3 Georgetown CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2022-10-27   
203-587 4 Georgetown CT HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2013-05-03   
203-587 5 Georgetown CT NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920   2021-11-08   
203-587 6 Georgetown CT NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920   2021-11-08   
203-587 7 Georgetown CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2014-06-15   
203-587 8 Georgetown CT HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2013-05-03   
203-587 9 Georgetown CT NRWLCT02SMD  4950 CABLEVISION LIGHTPATH, INC. - CT 920      

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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