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
609-281 2 Pennington NJ CMDNNJCEXZY  222   2004-07-08   
609-301 7 Hightstown NJ CMDNNJCEXZY  222   2007-12-12   
609-323 4 Ewing NJ CMDNNJCEXZY  222   2004-07-11   
609-336 A Hightstown NJ CMDNNJCE25Z  222      
609-336 0 Hightstown NJ CMDNNJCEXZY  222   2004-07-11   
609-341 8 Trenton NJ CMDNNJCEXZY  222   2006-10-19   
609-424 5 Bordentown NJ CMDNNJCEXZY  222   2004-07-11   
609-438 9 Mercerville NJ CMDNNJCEXZY  222   2015-11-30   
609-450 2 Lawrenceville NJ CMDNNJCEXZY  222   2004-07-11   
609-508 A Trenton NJ CMDNNJCEXYZ  222      
609-508 1 Trenton NJ CMDNNJCEXYZ  222   2012-04-22   
609-521 0 Fort Dix NJ CMDNNJCEXZY  222   2004-07-11   
609-528 0 Mercerville NJ CMDNNJCEXZY  222   2007-07-22   
609-570 5 Mercerville NJ CMDNNJCEXZY  222   2007-08-03   
609-570 8 Mercerville NJ CMDNNJCEXZY  222   2008-10-17   
609-738 3 New Egypt NJ CMDNNJCEXZY  222   2004-07-11   
609-785 A Plainsboro NJ CMDNNJCE38Z  222      
609-785 9 Plainsboro NJ CMDNNJCEXZY  222      
609-834 A Hightstown NJ CMDNNJCEXSZ  222      
609-834 1 Hightstown NJ CMDNNJCEXSZ  222   2015-07-23   
609-838 0 Mercerville NJ CMDNNJCEXZY  222   2004-07-11   
609-838 1 Mercerville NJ CMDNNJCEXZY  222   2006-09-23   
609-838 2 Mercerville NJ CMDNNJCEXZY  222   2005-01-22   
609-838 7 Mercerville NJ CMDNNJCEXZY  222   2005-01-22   
609-838 9 Mercerville NJ CMDNNJCEXZY  222   2007-04-22   
609-931 A Trenton NJ CMDNNJCE38Z  222      
609-931 0 Trenton NJ CMDNNJCE38Z  222      
609-931 9 Trenton NJ CMDNNJCE38Z  222      
609-981 7 Mercerville NJ CMDNNJCE38Z  222   2011-07-01   
620-618 A Fort Scott KS WCHTKSMBX0Z  532      
620-618 5 Fort Scott KS   532   2024-05-23   
620-949 9 Anthony KS   532   2024-04-21   
631-203 4 Central Islip NY WHPLNYGR1MD  132   2018-03-08   
631-204 5 Southampton NY WHPLNYGR1MD  132   2013-06-08   
631-214 A Deer Park NY WHPLNYGR1MD  132      
631-214 1 Deer Park NY WHPLNYGR1MD  132   2015-07-23   
631-223 2 Huntington NY WHPLNYGR1MD  132   2002-06-10   
631-223 3 Huntington NY WHPLNYGR1MD  132   2002-06-10   
631-228 4 Shoreham NY WHPLNYGR1MD  132   2007-10-12   
631-236 5 Brentwood NY WHPLNYGR1MD  132   2003-01-31   
631-237 1 Bridgehampton NY WHPLNYGR1MD  132   2010-07-22   
631-238 A Montauk Point NY WHPLNYGR1MD  132      
631-238 5 Montauk Point NY WHPLNYGR1MD  132   2001-11-10   
631-239 1 Northport NY WHPLNYGR1MD  132   2007-07-02   
631-239 5 Northport NY WHPLNYGR1MD  132   2002-06-11   
631-239 6 Northport NY WHPLNYGR1MD  132   2002-06-11   
631-245 6 Brentwood NY WHPLNYGR1MD  132   2007-11-17   
631-250 A St James NY WHPLNYGR1MD  132      
631-250 9 St James NY WHPLNYGR1MD  132   2013-05-31   
631-256 5 Sayville NY WHPLNYGR1MD  132   2011-10-27   

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

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