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.

NPA: 848 [Rate centres in NPA 848] [Dial plan for NPA 848]

NXX: 390

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
848-390 A South River NJ   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 224   2025-03-31   
848-390 8 South River NJ   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 224   2025-03-31   
848-390 9 South River NJ   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 224   2025-03-31   

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.