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.

NPA: 631 [Rate centres in NPA 631] [Dial plan for NPA 631]

NXX: 993

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
631-993 A Commack NY GRCYNYDYDS0  7133 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY 132      
631-993 0 Commack NY   384C ONVOY, LLC- NY 132   2024-03-03   
631-993 1 Commack NY   5562 METROPCS, INC. 132   2004-04-16   
631-993 2 Commack NY   8473 LEVEL 3 TELECOM OF NEW YORK, LP - NY 132   2015-03-16   
631-993 3 Commack NY   829J PAETEC ITEL, LLC 132   2005-04-21   
631-993 4 Commack NY   4006 LEVEL 3 COMMUNICATIONS, LLC - NY 132   2008-05-16   
631-993 5 Commack NY   7133 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY 132   2007-11-01   
631-993 6 Commack NY   515J IP HORIZON LLC 132   2024-09-15   
631-993 7 Commack NY   384C ONVOY, LLC- NY 132   2012-11-16   
631-993 8 Commack NY   155E PEERLESS NETWORK OF NEW YORK, LLC - NY 132   2013-04-21   
631-993 9 Commack NY   1215 CORETEL NEW YORK, INC. - NY 132   2019-04-01   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.