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: 570 [Rate centres in NPA 570] [Dial plan for NPA 570]

NXX: 781

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
570-781 A Blossburg PA WLBRPA04GT0  3806 CORE COMMUNICATIONS, INC. - PA 232      
570-781 0 Blossburg PA   3806 CORE COMMUNICATIONS, INC. - PA 232   2009-05-16   
570-781 1 Blossburg PA   3806 CORE COMMUNICATIONS, INC. - PA 232   2018-06-11   
570-781 2 Blossburg PA   3806 CORE COMMUNICATIONS, INC. - PA 232   2018-06-11   
570-781 3 Blossburg PA   3806 CORE COMMUNICATIONS, INC. - PA 232   2018-06-11   
570-781 4 Blossburg PA   624H ONVOY SPECTRUM, LLC 232   2023-11-17   
570-781 5 Blossburg PA   547E ONVOY, LLC - PA 232   2019-12-18   
570-781 6 Blossburg PA   547E ONVOY, LLC - PA 232   2021-04-04   
570-781 7 Blossburg PA   547E ONVOY, LLC - PA 232   2021-04-04   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.