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: 409

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
203-409 A Old Greenwich CT HRFRCTCRDS0  7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
203-409 0 Old Greenwich CT SMFRCTATXMD  3083 PAETEC COMMUNICATIONS, LLC - CT 920   2005-11-25   
203-409 1 Old Greenwich CT HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2012-10-22   
203-409 2 Old Greenwich CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2015-05-24   
203-409 3 Old Greenwich CT SMFRCTATXMD  3083 PAETEC COMMUNICATIONS, LLC - CT 920   2001-09-03   
203-409 4 Old Greenwich CT HRFRCTCRDS0  7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
203-409 5 Old Greenwich CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2014-02-10   
203-409 6 Old Greenwich CT NWHNCT030MD  3722 CONVERSENT COMMUNICATIONS OF CONNECTICUT, LLC - CT 920   2004-06-18   
203-409 7 Old Greenwich CT SMFRCTDSDS0  7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2003-09-07   
203-409 8 Old Greenwich CT HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2012-10-22   
203-409 9 Old Greenwich CT SMFRCTQI9MD  3493 GLOBAL CROSSING LOCAL SERVICES, INC. - CT 920   2001-05-07   

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

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