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: PRNYNJFPRS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
551-224 8 Fair Lawn NJ 612K CSC VOICE, LLC 224   2015-09-18   
551-264 9 Ramsey NJ 612K CSC VOICE, LLC 224   2015-11-07   
551-500 9 Ramsey NJ 612K CSC VOICE, LLC 224   2014-10-24   
732-515 9 Metuchen NJ 612K CSC VOICE, LLC 224   2015-08-23   
732-705 3 Matawan NJ 612K CSC VOICE, LLC 224   2014-08-22   
848-222 1 Lakewood NJ 612K CSC VOICE, LLC 224   2014-05-16   
848-233 9 Englishtown NJ 612K CSC VOICE, LLC 224   2016-07-30   
848-245 0 Lakewood NJ 612K CSC VOICE, LLC 224   2016-10-30   
848-245 9 Lakewood NJ 612K CSC VOICE, LLC 224   2015-10-16   
848-373 9 Lakewood NJ 612K CSC VOICE, LLC 224   2014-08-22   

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

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