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: 878 [Rate centres in NPA 878] [Dial plan for NPA 878]

NXX: 300

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
878-300 A New Castle PA PITBPAOKX0Y  490J DISH WIRELESS, LLC 234      
878-300 3 New Castle PA PITBPADTXYY  547E ONVOY, LLC - PA 234      
878-300 4 New Castle PA PITBPADTXYY  547E ONVOY, LLC - PA 234      
878-300 7 New Castle PA   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 234      
878-300 8 New Castle PA CRAFPAAIGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 234      
878-300 9 New Castle PA PITBPAOKX0Y  490J DISH WIRELESS, LLC 234      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.