Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Byram, CT

1 2 3 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
203-347 A NYCMNY83DSZ  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 132      
203-347 0 NYCMNY83DSZ  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 132   2005-11-18   
203-347 1 WHPLNYWPX8X  3863 CTC COMMUNICATIONS CORP. - CT 132   2006-01-20   
203-347 2 NYCMNY83DSZ  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 132   2008-04-28   
203-347 3 NYCMNY83DS0  7316 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 132   2008-10-15   
203-347 4 NYCMNY83DSZ  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 132   2004-05-03   
203-347 5 NYCMNY83D1S  350E YMAX COMMUNICATIONS CORP. - CT 132   2009-02-06   
203-347 6 NYCMNY83D1S  350E YMAX COMMUNICATIONS CORP. - CT 132   2009-09-15   
203-347 7 NYCMNY83DSZ  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 132   2004-09-13   
203-347 8 NYCMNY83D1S  350E YMAX COMMUNICATIONS CORP. - CT 132   2009-09-15   
203-347 9 NYCMNY83D1S  350E YMAX COMMUNICATIONS CORP. - CT 132   2009-09-15   
203-531 A PTCHNYPCDS0  9104 VERIZON NEW YORK, INC. 132      
203-532 A PTCHNYPCDS0  9104 VERIZON NEW YORK, INC. 132      
203-532 0 PTCHNYPCDS0  9104 VERIZON NEW YORK, INC. 132      
203-532 1 PTCHNYPCDS0  9104 VERIZON NEW YORK, INC. 132      
203-532 2 PTCHNYPCDS0  9104 VERIZON NEW YORK, INC. 132      
203-532 3 PTCHNYPCDS0  9104 VERIZON NEW YORK, INC. 132      
203-532 4 PTCHNYPCDS0  9104 VERIZON NEW YORK, INC. 132      
203-532 5 WHPLNYWPXSX  4950 CABLEVISION LIGHTPATH, INC. - CT 132   2003-11-15   
203-532 6 PTCHNYPCDS0  9104 VERIZON NEW YORK, INC. 132      
203-532 7 PTCHNYPCDS0  9104 VERIZON NEW YORK, INC. 132      
203-532 8 MEVLNYOC2MD  3722 CONVERSENT COMMUNICATIONS OF CONNECTICUT, LLC - CT 132   2001-09-03   
203-532 9 PTCHNYPCDS0  9104 VERIZON NEW YORK, INC. 132      
203-552 A GNWCCTGNDS0  9104 VERIZON NEW YORK, INC. 132      
203-552 0 GNWCCTGNDS0  9104 VERIZON NEW YORK, INC. 132      
203-552 1 GNWCCTGNDS0  9104 VERIZON NEW YORK, INC. 132      
203-552 2 WHPLNYWPXOY  199F BANDWIDTH.COM CLEC, LLC - CT 132   2010-03-11   
203-552 3 GNWCCTGNDS0  9104 VERIZON NEW YORK, INC. 132      
203-552 4 GNWCCTGNDS0  9104 VERIZON NEW YORK, INC. 132      
203-552 5 GNWCCTGNDS0  9104 VERIZON NEW YORK, INC. 132      
203-552 6 GNWCCTGNDS0  9104 VERIZON NEW YORK, INC. 132      
203-552 7 GNWCCTGNDS0  9104 VERIZON NEW YORK, INC. 132      
203-552 8 GNWCCTGNDS0  9104 VERIZON NEW YORK, INC. 132      
203-552 9 GNWCCTGNDS0  9104 VERIZON NEW YORK, INC. 132      
203-580 A NYCMNYZRDBS  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 132      
203-580 0 NYCMNYBXDSL  639C ONVOY, LLC - CT 132   2013-11-03   
203-580 1 NYCMNYZRDBS  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 132   2012-11-23   
203-580 2 NYCMNYZRDBS  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 132   2012-11-23   
203-580 3 WHPLNYWPXOY  199F BANDWIDTH.COM CLEC, LLC - CT 132   2012-12-08   
203-580 4 WHPLNYWPXOY  199F BANDWIDTH.COM CLEC, LLC - CT 132   2015-05-24   
203-580 5 NYCPNYYKFMD  4593 BROADVIEW NETWORKS, INC. - NY 132   2015-01-10   
203-580 6 NYCMNYBXDSL  639C ONVOY, LLC - CT 132   2015-05-09   
203-580 7 NYCMNYZRYMD  508J CENTURYLINK COMMUNICATIONS, LLC 132   2014-04-28   
203-580 8 NYCMNYZRDBS  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 132   2013-05-02   
203-580 9 NYCMNYZRDBS  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 132   2013-05-02   
203-660 A NYCMNYZRX9X  3493 GLOBAL CROSSING LOCAL SERVICES, INC. - CT 132      
203-660 0 WHPLNYWPXOY  199F BANDWIDTH.COM CLEC, LLC - CT 132   2010-08-07   
203-660 1 NYCMNY83D1S  350E YMAX COMMUNICATIONS CORP. - CT 132   2008-06-01   
203-660 2   145J TERRA NOVA TELECOM INC. 132   2022-04-17   
203-660 3 NYCMNYBXDSL  639C ONVOY, LLC - CT 132   2021-03-04   

1 2 3 >>

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.