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: JRCYNJBRFMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
551-324 A Westwood NJ 073H TELNYX LLC 224      
551-324 0 Westwood NJ 073H TELNYX LLC 224   2021-09-11   
551-341 7 Fair Lawn NJ 073H TELNYX LLC 224   2022-03-03   
551-688 0 Leonia NJ 073H TELNYX LLC 224   2022-04-23   
848-748 4 Monmouth Junction NJ 073H TELNYX LLC 224   2022-04-30   
862-394 0 Passaic NJ 073H TELNYX LLC 224   2022-05-05   
908-549 5 Bernardsville NJ 073H TELNYX LLC 224   2022-04-07   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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