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: WORNNJWOX4X

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
973-933 8 Mount Freedom NJ 829J PAETEC ITEL, LLC 224   2011-03-16   
973-937 6 Madison NJ 829J PAETEC ITEL, LLC 224   2006-01-12   
973-970 A Succasunna NJ 829J PAETEC ITEL, LLC 224   2025-04-29   
973-970 1 Succasunna NJ 829J PAETEC ITEL, LLC 224   2005-05-07   

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

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