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.
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OCN: 612K CSC VOICE, LLC

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
631-946 6 Selden NY WHPLNYGR1MD  132   2005-12-29   
631-983 8 Babylon NY WHPLNYGR1MD  132   2007-03-10   
631-991 3 Lindenhurst NY WHPLNYGR1MD  132   2007-10-30   
631-991 7 Lindenhurst NY WHPLNYGR1MD  132   2001-11-05   
631-991 8 Lindenhurst NY WHPLNYGR1MD  132   2001-11-05   
631-996 2 Quogue NY WHPLNYGR1MD  132      
631-996 4 Quogue NY WHPLNYGR1MD  132      
631-998 3 Westhampton NY WHPLNYGR1MD  132      
631-998 4 Westhampton NY WHPLNYGR1MD  132      
646-314 0 New York City Zone 01 NY WHPLNYGR1MD  132   2006-03-14   
646-314 6 New York City Zone 01 NY WHPLNYGR1MD  132   2006-03-14   
646-314 7 New York City Zone 01 NY WHPLNYGR1MD  132   2006-03-30   
646-330 6 New York City Zone 01 NY WHPLNYGR1MD  132   2004-12-23   
646-393 A New York City Zone 01 NY WHPLNYGR1MD  132      
646-393 5 New York City Zone 01 NY WHPLNYGR1MD  132   2006-03-30   
646-393 9 New York City Zone 01 NY WHPLNYGR1MD  132   2005-06-09   
646-401 5 New York City Zone 01 NY WHPLNYGR1MD  132   2005-03-24   
646-401 6 New York City Zone 01 NY WHPLNYGR1MD  132   2005-03-24   
646-401 7 New York City Zone 01 NY WHPLNYGR1MD  132   2005-03-24   
646-401 8 New York City Zone 01 NY WHPLNYGR1MD  132   2005-03-24   
646-401 9 New York City Zone 01 NY WHPLNYGR1MD  132   2005-03-24   
646-402 0 New York City Zone 01 NY WHPLNYGR1MD  132   2006-03-25   
646-402 8 New York City Zone 01 NY WHPLNYGR1MD  132   2006-03-25   
646-404 5 New York City Zone 01 NY WHPLNYGR1MD  132   2006-07-08   
646-463 5 New York City Zone 01 NY WHPLNYGR1MD  132   2004-12-09   
646-463 6 New York City Zone 01 NY WHPLNYGR1MD  132   2004-12-09   
646-463 7 New York City Zone 01 NY WHPLNYGR1MD  132   2004-12-09   
646-463 8 New York City Zone 01 NY WHPLNYGR1MD  132   2004-12-09   
646-542 5 New York City Zone 01 NY WHPLNYGR1MD  132   2004-12-09   
646-542 6 New York City Zone 01 NY WHPLNYGR1MD  132   2004-12-09   
646-670 4 New York City Zone 01 NY WHPLNYGR1MD  132   2004-06-21   
646-670 9 New York City Zone 01 NY WHPLNYGR1MD  132   2004-07-28   
646-764 7 New York City Zone 01 NY WHPLNYGR1MD  132   2006-01-21   
646-764 8 New York City Zone 01 NY WHPLNYGR1MD  132   2004-12-09   
660-215 3 Maryville MO   524   2012-08-25   
660-241 A Maryville MO MAVLMOXAEMD  524      
660-241 4 Maryville MO   524   2013-12-29   
660-241 5 Maryville MO   524   2013-12-29   
660-268 6 Brookfield MO   524   2014-03-02   
660-268 8 Brookfield MO   524   2011-01-18   
660-339 8 Trenton MO   524   2014-03-02   
660-654 6 Trenton MO   524   2011-01-18   
660-667 5 Lexington MO   524   2024-03-25   
660-672 0 Boonville MO   524   2011-01-18   
660-672 8 Boonville MO   524   2014-03-02   
662-219 0 Greenwood MS   482   2010-06-09   
662-219 4 Greenwood MS   482   2013-08-29   
662-246 9 Moorhead MS   482   2023-06-01   
662-374 4 Greenwood MS   482   2014-03-01   
662-374 5 Greenwood MS   482   2014-03-01   

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Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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