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: JRCYNJBRGMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
201-577 A Jersey City NJ 2771 LEVEL 3 TELECOM OF NEW JERSEY, LP - NJ 224      
551-264 A Ramsey NJ 2771 LEVEL 3 TELECOM OF NEW JERSEY, LP - NJ 224      
862-260 A Morristown NJ 2771 LEVEL 3 TELECOM OF NEW JERSEY, LP - NJ 224      
908-524 A Somerville NJ 2771 LEVEL 3 TELECOM OF NEW JERSEY, LP - NJ 224      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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