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: CDKNNJCKAMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
201-228 A Leonia NJ 7421 AT&T - LOCAL 224      
201-231 A Rutherford NJ 7421 AT&T - LOCAL 224      
201-256 A Closter NJ 7421 AT&T - LOCAL 224      
201-258 A Ramsey NJ 7421 AT&T - LOCAL 224      
201-266 A Englewood NJ 7421 AT&T - LOCAL 224      
201-527 A Hackensack NJ 7421 AT&T - LOCAL 224      
201-800 A Wyckoff NJ 7421 AT&T - LOCAL 224      
201-949 A Park Ridge NJ 7421 AT&T - LOCAL 224      
201-987 A Oradell NJ 7421 AT&T - LOCAL 224      
973-339 A Little Falls NJ 7421 AT&T - LOCAL 224      
973-341 A Paterson NJ 7421 AT&T - LOCAL 224      
973-406 A Mountain View NJ 7421 AT&T - LOCAL 224      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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