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: 283

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
835-283 A Easton PA PHLAPASL0MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2025-12-29   
835-283 6 Easton PA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2026-10-01   
835-283 7 Easton PA PHLAPASL0MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2026-06-26   
835-283 8 Easton PA PHLAPASL0MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2025-12-29   
835-283 9 Easton PA PHLAPASL0MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2025-12-29   

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.