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: 489

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
203-489 A Greenwich CT GNWCCTGNX5X  4950 CABLEVISION LIGHTPATH, INC. - CT 132      
203-489 0 Greenwich CT NYCMNYZRDBS  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 132   2011-12-10   
203-489 1 Greenwich CT   829J PAETEC ITEL, LLC 132   2012-02-09   
203-489 2 Greenwich CT WHPLNYWPXOY  199F BANDWIDTH.COM CLEC, LLC - CT 132   2012-04-20   
203-489 3 Greenwich CT WHPLNYWPAMD  4950 CABLEVISION LIGHTPATH, INC. - CT 132   2011-07-22   
203-489 4 Greenwich CT GNWCCTGNX5X  4950 CABLEVISION LIGHTPATH, INC. - CT 132   2012-04-27   
203-489 5 Greenwich CT WHPLNYWPXOY  199F BANDWIDTH.COM CLEC, LLC - CT 132   2012-08-11   
203-489 6 Greenwich CT WHPLNYWPXOY  199F BANDWIDTH.COM CLEC, LLC - CT 132   2014-04-19   
203-489 7 Greenwich CT NYCMNYZRYMD  508J CENTURYLINK COMMUNICATIONS, LLC 132   2014-04-28   
203-489 8 Greenwich CT NYCMNYZRDBS  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 132   2012-04-09   
203-489 9 Greenwich CT NYCMNYZRDBS  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 132   2012-04-27   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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