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: PRNYNJFPDS3

Remotes:

Switch Switch name Switch type
PRNYNJFPRS1  PARSIPPANY-TROY HILLS  RS 
WHPLNYWPAMD    POI 
WHPLNYWPXZX    POI 

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
973-588 4 Boonton NJ 612K CSC VOICE, LLC 224   2006-09-02   
973-588 7 Boonton NJ 612K CSC VOICE, LLC 224   2007-09-21   
973-665 8 Chatham NJ 612K CSC VOICE, LLC 224   2008-03-06   
973-685 7 Passaic NJ 612K CSC VOICE, LLC 224   2007-08-24   
973-685 9 Passaic NJ 612K CSC VOICE, LLC 224   2007-08-24   
973-750 1 Butler NJ 612K CSC VOICE, LLC 224   2012-10-22   
973-767 2 Passaic NJ 612K CSC VOICE, LLC 224   2007-08-24   
973-782 4 Paterson NJ 612K CSC VOICE, LLC 224   2007-09-22   
973-782 5 Paterson NJ 612K CSC VOICE, LLC 224   2007-09-22   
973-782 6 Paterson NJ 612K CSC VOICE, LLC 224   2007-09-22   
973-794 6 Boonton NJ 612K CSC VOICE, LLC 224   2011-08-26   
973-810 2 Hopatcong NJ 612K CSC VOICE, LLC 224   2007-04-22   
973-821 5 South Orange NJ 612K CSC VOICE, LLC 224   2006-10-12   
973-832 4 Mountain View NJ 612K CSC VOICE, LLC 224   2007-06-11   
973-856 6 Newark NJ 612K CSC VOICE, LLC 224   2008-02-22   
973-859 0 Passaic NJ 612K CSC VOICE, LLC 224   2007-09-22   
973-869 4 Erskine Lakes NJ 612K CSC VOICE, LLC 224   2007-09-21   
973-878 2 Newark NJ 612K CSC VOICE, LLC 224   2006-05-25   
973-878 3 Newark NJ 612K CSC VOICE, LLC 224   2006-05-25   
973-894 3 Passaic NJ 612K CSC VOICE, LLC 224   2007-09-22   
973-900 5 Newark NJ 612K CSC VOICE, LLC 224   2007-04-04   
973-900 6 Newark NJ 612K CSC VOICE, LLC 224   2007-03-21   
973-917 3 Boonton NJ 612K CSC VOICE, LLC 224   2007-10-06   
973-925 7 Paterson NJ 612K CSC VOICE, LLC 224   2007-03-27   
973-928 6 Passaic NJ 612K CSC VOICE, LLC 224   2007-06-22   
973-955 0 Passaic NJ 612K CSC VOICE, LLC 224   2007-04-22   
973-955 4 Passaic NJ 612K CSC VOICE, LLC 224   2006-12-21   
973-991 1 Newark NJ 612K CSC VOICE, LLC 224   2006-02-19   

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Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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