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: 580

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
203-580 A Byram CT NYCMNYZRDBS  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 132      
203-580 0 Byram CT NYCSNYOODS0  185H VOXBEAM TELECOMMUNICATIONS INC. - CT 132   2013-11-03   
203-580 1 Byram CT HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 132   2012-11-23   
203-580 2 Byram CT HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 132   2012-11-23   
203-580 3 Byram CT WHPLNYWPXOY  199F BANDWIDTH.COM CLEC, LLC - CT 132   2012-12-08   
203-580 4 Byram CT WHPLNYWPXOY  199F BANDWIDTH.COM CLEC, LLC - CT 132   2015-05-24   
203-580 5 Byram CT NYCPNYYKGT1  4593 BROADVIEW NETWORKS, INC. - NY 132   2015-01-10   
203-580 6 Byram CT NYCMNY83D3S  639C ONVOY, LLC - CT 132   2015-05-09   
203-580 7 Byram CT   508J CENTURYLINK COMMUNICATIONS LLC 132   2014-04-28   
203-580 8 Byram CT HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 132   2013-05-02   
203-580 9 Byram CT HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 132   2013-05-02   

Last updated: Wed, 01 Dec 2021 01:40:16 UTC

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