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.

Switch: WHPLNYGR1MD

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
516-224 4 Cold Spring Harbor NY 612K CSC VOICE, LLC 132   2002-10-13   
516-226 1 Nassau Zone 7 NY 612K CSC VOICE, LLC 132   2015-10-16   
516-233 1 Nassau Zone 2 NY 612K CSC VOICE, LLC 132   2004-02-29   
516-233 2 Nassau Zone 2 NY 612K CSC VOICE, LLC 132   2004-02-29   
516-243 9 Nassau Zone 5 NY 612K CSC VOICE, LLC 132   2015-04-21   
516-246 9 Nassau Zone 5 NY 612K CSC VOICE, LLC 132   2013-03-29   
516-261 9 Nassau Zone 8 NY 612K CSC VOICE, LLC 132   2015-10-31   
516-270 2 Nassau Zone 2 NY 612K CSC VOICE, LLC 132   2002-06-12   
516-270 3 Nassau Zone 2 NY 612K CSC VOICE, LLC 132   2002-06-12   
516-277 1 Nassau Zone 4 NY 612K CSC VOICE, LLC 132   2007-04-23   
516-277 2 Nassau Zone 4 NY 612K CSC VOICE, LLC 132   2007-04-23   
516-279 4 Nassau Zone 5 NY 612K CSC VOICE, LLC 132   2007-09-08   
516-279 6 Nassau Zone 5 NY 612K CSC VOICE, LLC 132   2007-09-08   
516-280 2 Nassau Zone 5 NY 612K CSC VOICE, LLC 132   2007-07-02   
516-280 3 Nassau Zone 5 NY 612K CSC VOICE, LLC 132   2007-07-20   
516-280 4 Nassau Zone 5 NY 612K CSC VOICE, LLC 132   2007-07-20   
516-280 5 Nassau Zone 5 NY 612K CSC VOICE, LLC 132   2006-10-19   
516-280 6 Nassau Zone 5 NY 612K CSC VOICE, LLC 132   2006-10-19   
516-280 7 Nassau Zone 5 NY 612K CSC VOICE, LLC 132   2006-10-19   
516-280 8 Nassau Zone 5 NY 612K CSC VOICE, LLC 132   2007-10-12   
516-280 9 Nassau Zone 5 NY 612K CSC VOICE, LLC 132   2007-10-12   
516-284 6 Nassau Zone 3 NY 612K CSC VOICE, LLC 132   2006-05-12   
516-284 7 Nassau Zone 3 NY 612K CSC VOICE, LLC 132   2006-05-12   
516-304 5 Nassau Zone 1 NY 612K CSC VOICE, LLC 132   2007-08-16   
516-305 4 Nassau Zone 2 NY 612K CSC VOICE, LLC 132   2007-04-23   
516-305 5 Nassau Zone 2 NY 612K CSC VOICE, LLC 132   2007-05-23   
516-307 A Nassau Zone 5 NY 612K CSC VOICE, LLC 132      
516-307 1 Nassau Zone 5 NY 612K CSC VOICE, LLC 132   2007-04-19   
516-307 8 Nassau Zone 5 NY 612K CSC VOICE, LLC 132   2008-03-17   
516-307 9 Nassau Zone 5 NY 612K CSC VOICE, LLC 132   2008-03-17   
516-308 3 Nassau Zone 9 NY 612K CSC VOICE, LLC 132   2007-09-08   
516-308 4 Nassau Zone 9 NY 612K CSC VOICE, LLC 132   2007-09-08   
516-308 7 Nassau Zone 9 NY 612K CSC VOICE, LLC 132   2010-04-19   
516-321 9 Nassau Zone 1 NY 612K CSC VOICE, LLC 132   2013-09-14   
516-340 6 Cold Spring Harbor NY 612K CSC VOICE, LLC 132   2014-02-06   
516-341 0 Nassau Zone 3 NY 612K CSC VOICE, LLC 132   2010-11-22   
516-341 7 Nassau Zone 3 NY 612K CSC VOICE, LLC 132   2011-10-23   
516-342 1 Nassau Zone 8 NY 612K CSC VOICE, LLC 132   2004-08-01   
516-342 6 Nassau Zone 8 NY 612K CSC VOICE, LLC 132   2004-11-26   
516-342 9 Nassau Zone 8 NY 612K CSC VOICE, LLC 132   2004-08-01   
516-385 1 Nassau Zone 5 NY 612K CSC VOICE, LLC 132   2004-11-07   
516-385 2 Nassau Zone 5 NY 612K CSC VOICE, LLC 132   2004-11-07   
516-385 3 Nassau Zone 5 NY 612K CSC VOICE, LLC 132   2006-03-27   
516-385 4 Nassau Zone 5 NY 612K CSC VOICE, LLC 132   2004-02-29   
516-385 5 Nassau Zone 5 NY 612K CSC VOICE, LLC 132   2004-02-29   
516-385 6 Nassau Zone 5 NY 612K CSC VOICE, LLC 132   2004-02-29   
516-385 8 Nassau Zone 5 NY 612K CSC VOICE, LLC 132   2004-11-07   
516-399 2 Nassau Zone 4 NY 612K CSC VOICE, LLC 132   2011-10-14   
516-400 9 Nassau Zone 3 NY 612K CSC VOICE, LLC 132   2013-09-14   
516-414 0 Nassau Zone 5 NY 612K CSC VOICE, LLC 132      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 >>

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.