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: 835 [Rate centres in NPA 835] [Dial plan for NPA 835]

NXX: 261

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
835-261 A Reading PA   490J DISH WIRELESS, LLC 228   2025-05-08   
835-261 0 Reading PA   490J DISH WIRELESS, LLC 228   2025-05-08   
835-261 1 Reading PA   490J DISH WIRELESS, LLC 228   2025-08-06   
835-261 2 Reading PA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2025-05-09   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.