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: 878

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
878-878 A New Bedford PA PITBPADTXFX  624H ONVOY SPECTRUM, LLC 234      
878-878 1 New Bedford PA   114J EXIANT COMMUNICATIONS LLC 234   2026-04-23   
878-878 8 New Bedford PA PITBPADTXFX  624H ONVOY SPECTRUM, LLC 234   2023-10-01   

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.