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: 261

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
570-261 A Mountaintop PA   829J PAETEC ITEL, LLC 232   2025-03-04   
570-261 0 Mountaintop PA   829J PAETEC ITEL, LLC 232      
570-261 1 Mountaintop PA   829J PAETEC ITEL, LLC 232      
570-261 2 Mountaintop PA BEWKPABR3MD  213C IDT AMERICA, CORP. - PA 232   2010-02-18   
570-261 3 Mountaintop PA   829J PAETEC ITEL, LLC 232      
570-261 4 Mountaintop PA SCTNPASCXBY  002F BANDWIDTH.COM CLEC, LLC - PA 232   2012-07-06   
570-261 5 Mountaintop PA SRBGPASR1MD  8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 232   2005-06-25   
570-261 6 Mountaintop PA   3806 CORE COMMUNICATIONS, INC. - PA 232   2009-03-25   
570-261 7 Mountaintop PA SCTNPASCXBY  002F BANDWIDTH.COM CLEC, LLC - PA 232   2014-05-05   
570-261 8 Mountaintop PA SCTNPASCXFY  547E ONVOY, LLC - PA 232   2016-09-14   
570-261 9 Mountaintop PA SCTNPASCXFY  547E ONVOY, LLC - PA 232   2016-09-14   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.