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: 221

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
570-221 A Elysburg PA EYBGPAELRS1  9208 VERIZON PENNSYLVANIA, INC. 232      
570-221 0 Elysburg PA EYBGPAELRS1  9208 VERIZON PENNSYLVANIA, INC. 232      
570-221 1 Elysburg PA   3806 CORE COMMUNICATIONS, INC. - PA 232   2009-03-24   
570-221 2 Elysburg PA SRBGPASR1MD  8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 232   2005-06-25   
570-221 3 Elysburg PA PLNSPAARDS0  7513 CTSI, INC. - PA 232   2006-10-06   
570-221 4 Elysburg PA SCTNPASCXBY  002F BANDWIDTH.COM CLEC, LLC - PA 232   2012-08-30   
570-221 5 Elysburg PA BMBGPABLBMD  7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 232   2013-06-30   
570-221 6 Elysburg PA SCTNPASCX4Y  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 232   2006-08-21   
570-221 7 Elysburg PA SCTNPASCXBY  002F BANDWIDTH.COM CLEC, LLC - PA 232   2014-09-21   
570-221 8 Elysburg PA SCTNPA01XSX  145J TERRA NOVA TELECOM INC. 232   2023-04-29   
570-221 9 Elysburg PA SCTNPASCXBY  002F BANDWIDTH.COM CLEC, LLC - PA 232   2016-05-09   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.