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: 210

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
878-210 A Midway (Washington) PA MDWYPAXMPS0  0176 WINDSTREAM PENNSYLVANIA, INC. 234      
878-210 9 Midway (Washington) PA MDWYPAXMPS0  0176 WINDSTREAM PENNSYLVANIA, INC. 234   2017-07-07   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.