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.

Downingtown, PA

<< 1 2 3 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
484-693 A   4007 LEVEL 3 COMMUNICATIONS, LLC - PA 228      
484-693 0   002F BANDWIDTH.COM CLEC, LLC - PA 228   2008-12-19   
484-693 1   4007 LEVEL 3 COMMUNICATIONS, LLC - PA 228      
484-693 2   547E ONVOY, LLC - PA 228   2023-08-10   
484-693 3   7309 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 228   2005-05-18   
484-693 5   624H ONVOY SPECTRUM, LLC 228   2021-05-10   
484-693 6   547E ONVOY, LLC - PA 228   2004-10-28   
484-693 7   547E ONVOY, LLC - PA 228   2004-10-28   
484-693 8   547E ONVOY, LLC - PA 228   2004-10-28   
484-694 A PHLAPAMKXSX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 228      
484-694 0   547E ONVOY, LLC - PA 228   2004-10-28   
484-694 1   547E ONVOY, LLC - PA 228   2004-10-28   
484-694 2   547E ONVOY, LLC - PA 228   2004-10-28   
484-694 3   547E ONVOY, LLC - PA 228   2004-10-28   
484-694 4   784E BLOCK LINE SYSTEMS, LLC - PA 228   2008-10-16   
484-694 5   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 228   2004-10-28   
484-694 6   547E ONVOY, LLC - PA 228   2004-10-28   
484-694 7   547E ONVOY, LLC - PA 228   2004-10-28   
484-694 8   3806 CORE COMMUNICATIONS, INC. - PA 228   2019-04-15   
484-694 9   547E ONVOY, LLC - PA 228   2004-10-28   
484-696 A NATNPAAGGT0  7615 RCN TELECOM SERVICES OF PENNSYLVANIA, INC. 228      
484-696 0   073H TELNYX LLC 228   2017-07-28   
484-696 1   4007 LEVEL 3 COMMUNICATIONS, LLC - PA 228   2005-04-15   
484-696 2   4007 LEVEL 3 COMMUNICATIONS, LLC - PA 228   2005-04-15   
484-696 3   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 228   2006-02-03   
484-696 4   4007 LEVEL 3 COMMUNICATIONS, LLC - PA 228   2003-08-20   
484-696 5   002F BANDWIDTH.COM CLEC, LLC - PA 228   2009-12-13   
484-696 6   7615 RCN TELECOM SERVICES OF PENNSYLVANIA, INC. 228      
484-696 7   002F BANDWIDTH.COM CLEC, LLC - PA 228   2009-12-13   
484-696 8   7615 RCN TELECOM SERVICES OF PENNSYLVANIA, INC. 228      
484-696 9   3806 CORE COMMUNICATIONS, INC. - PA 228   2019-04-15   
484-698 A   829J PAETEC ITEL, LLC 228   2025-03-11   
484-698 0   547E ONVOY, LLC - PA 228   2023-08-10   
484-698 1   547E ONVOY, LLC - PA 228   2004-08-29   
484-698 2   547E ONVOY, LLC - PA 228   2004-08-29   
484-698 3   547E ONVOY, LLC - PA 228   2004-08-29   
484-698 4   547E ONVOY, LLC - PA 228   2004-08-29   
484-698 5   547E ONVOY, LLC - PA 228   2004-08-29   
484-698 6   829J PAETEC ITEL, LLC 228      
484-698 7   547E ONVOY, LLC - PA 228   2004-08-29   
484-698 8   318J COMCAST IP PHONE, LLC 228   2018-08-20   
484-698 9   829J PAETEC ITEL, LLC 228      
484-699 A PHLAPAFGD2S  547E ONVOY, LLC - PA 228      
610-269 A DWTWPADTDS0  9208 VERIZON PENNSYLVANIA, INC. 228      
610-343 A PHLAPAAZDS2  7309 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 228      
610-343 0   7309 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 228      
610-343 1   829J PAETEC ITEL, LLC 228   2002-03-13   
610-343 2   7513 CTSI, INC. - PA 228   2007-07-29   
610-343 3   3806 CORE COMMUNICATIONS, INC. - PA 228   2019-04-15   
610-343 4   3806 CORE COMMUNICATIONS, INC. - PA 228   2019-04-15   

<< 1 2 3 >>

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.