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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Morristown, NJ

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
973-998 A PRNYNJFPDS0  4948 CABLEVISION LIGHTPATH, INC. - NJ 224      
973-998 0   612K CSC VOICE, LLC 224      
973-998 1 NBWKNJ17QMD  6391 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 224   2005-05-02   
973-998 2 PRNYNJFPDS0  4948 CABLEVISION LIGHTPATH, INC. - NJ 224      
973-998 3 PRNYNJFPDS0  4948 CABLEVISION LIGHTPATH, INC. - NJ 224      
973-998 4   612K CSC VOICE, LLC 224      
973-998 5   612K CSC VOICE, LLC 224      
973-998 6   612K CSC VOICE, LLC 224      
973-998 7   612K CSC VOICE, LLC 224      
973-998 8   612K CSC VOICE, LLC 224      
973-998 9   612K CSC VOICE, LLC 224      

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Last updated: Sat, 02 May 2026 12:20:53 UTC

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