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.

Bound Brook, NJ

<< 1 2 3 4

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
848-393 1   637C ONVOY, LLC - NJ 224   2025-10-26   
848-393 6   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 224   2025-12-01   
848-393 8   637C ONVOY, LLC - NJ 224   2025-09-28   
848-393 9   637C ONVOY, LLC - NJ 224   2025-09-28   
848-702 A RCPKNJ02XJY  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 224      

<< 1 2 3 4

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.