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.

Philadelphia Suburban Zone 34, PA

1 2 3 4 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
215-277 A PHLAPAAZDS2  7309 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 228      
215-277 0   3806 CORE COMMUNICATIONS, INC. - PA 228   2018-06-04   
215-277 1   318J COMCAST IP PHONE, LLC 228   2011-02-15   
215-277 2   3806 CORE COMMUNICATIONS, INC. - PA 228   2004-04-17   
215-277 3   318J COMCAST IP PHONE, LLC 228   2017-04-25   
215-277 4   3806 CORE COMMUNICATIONS, INC. - PA 228   2018-06-04   
215-277 5   318J COMCAST IP PHONE, LLC 228   2005-06-25   
215-277 6   3806 CORE COMMUNICATIONS, INC. - PA 228   2018-06-04   
215-277 7   318J COMCAST IP PHONE, LLC 228   2013-09-12   
215-277 8   3806 CORE COMMUNICATIONS, INC. - PA 228   2018-10-25   
215-277 9   7309 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 228      
215-376 A JENKPAJKRP0  9208 VERIZON PENNSYLVANIA, INC. 228      
215-376 0   9208 VERIZON PENNSYLVANIA, INC. 228      
215-376 1   9208 VERIZON PENNSYLVANIA, INC. 228      
215-376 2   624H ONVOY SPECTRUM, LLC 228   2022-06-02   
215-376 3   3806 CORE COMMUNICATIONS, INC. - PA 228   2018-10-25   
215-376 4   283E YMAX COMMUNICATIONS CORP. - PA 228   2009-02-24   
215-376 5   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 228   2005-07-24   
215-376 6   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 228   2005-07-24   
215-376 7   3806 CORE COMMUNICATIONS, INC. - PA 228   2018-10-25   
215-376 8   9208 VERIZON PENNSYLVANIA, INC. 228      
215-376 9   8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228   2003-02-06   
215-379 A PHLAPAPIDS0  9208 VERIZON PENNSYLVANIA, INC. 228      
215-379 0   9208 VERIZON PENNSYLVANIA, INC. 228      
215-379 1   9208 VERIZON PENNSYLVANIA, INC. 228      
215-379 2   9208 VERIZON PENNSYLVANIA, INC. 228      
215-379 3   9208 VERIZON PENNSYLVANIA, INC. 228      
215-379 4   9208 VERIZON PENNSYLVANIA, INC. 228      
215-379 5   9208 VERIZON PENNSYLVANIA, INC. 228      
215-379 6   3806 CORE COMMUNICATIONS, INC. - PA 228   2018-10-25   
215-379 7   3806 CORE COMMUNICATIONS, INC. - PA 228   2018-10-25   
215-379 8   9208 VERIZON PENNSYLVANIA, INC. 228      
215-379 9   752H BARR TELL USA, INC. - PA 228   2016-02-08   
215-481 A JENKPAJKRP0  9208 VERIZON PENNSYLVANIA, INC. 228      
215-481 0   9208 VERIZON PENNSYLVANIA, INC. 228      
215-481 1   3806 CORE COMMUNICATIONS, INC. - PA 228   2018-10-25   
215-481 2   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 228      
215-481 3   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 228      
215-481 4   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 228      
215-481 5   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 228      
215-481 6   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 228      
215-481 7   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 228      
215-481 8   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 228      
215-481 9   9208 VERIZON PENNSYLVANIA, INC. 228      
215-517 A JENKPAJKRP0  9208 VERIZON PENNSYLVANIA, INC. 228      
215-517 0   3806 CORE COMMUNICATIONS, INC. - PA 228   2018-10-25   
215-517 1   9208 VERIZON PENNSYLVANIA, INC. 228      
215-517 2   9208 VERIZON PENNSYLVANIA, INC. 228      
215-517 3   9208 VERIZON PENNSYLVANIA, INC. 228      
215-517 4   9208 VERIZON PENNSYLVANIA, INC. 228      
215-517 5   9208 VERIZON PENNSYLVANIA, INC. 228      
215-517 6   9208 VERIZON PENNSYLVANIA, INC. 228      
215-517 7   9208 VERIZON PENNSYLVANIA, INC. 228      
215-517 8   9208 VERIZON PENNSYLVANIA, INC. 228      
215-517 9   3806 CORE COMMUNICATIONS, INC. - PA 228   2018-10-25   
215-572 A JENKPAJKRP0  9208 VERIZON PENNSYLVANIA, INC. 228      
215-576 A JENKPAJKRP0  9208 VERIZON PENNSYLVANIA, INC. 228      
215-576 0   9208 VERIZON PENNSYLVANIA, INC. 228      
215-576 1   9208 VERIZON PENNSYLVANIA, INC. 228      
215-576 2   3806 CORE COMMUNICATIONS, INC. - PA 228   2018-10-25   
215-576 3   9208 VERIZON PENNSYLVANIA, INC. 228      
215-576 4   002F BANDWIDTH.COM CLEC, LLC - PA 228   2017-11-25   
215-576 5   9208 VERIZON PENNSYLVANIA, INC. 228      
215-576 6   9208 VERIZON PENNSYLVANIA, INC. 228      
215-576 7   9208 VERIZON PENNSYLVANIA, INC. 228      
215-576 8   9208 VERIZON PENNSYLVANIA, INC. 228      
215-576 9   3806 CORE COMMUNICATIONS, INC. - PA 228   2018-10-25   
215-623 A PHLAPAFGDSC  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 228      
215-623 0   3806 CORE COMMUNICATIONS, INC. - PA 228   2018-10-25   
215-623 1   547E ONVOY, LLC - PA 228   2004-08-29   
215-623 2   547E ONVOY, LLC - PA 228   2004-08-29   
215-623 3   547E ONVOY, LLC - PA 228   2004-08-29   
215-623 4   547E ONVOY, LLC - PA 228   2004-08-29   
215-623 5   547E ONVOY, LLC - PA 228   2004-08-29   
215-623 6   3806 CORE COMMUNICATIONS, INC. - PA 228   2018-10-25   
215-623 7   547E ONVOY, LLC - PA 228   2004-08-29   
215-623 8   3806 CORE COMMUNICATIONS, INC. - PA 228   2018-10-25   
215-623 9   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 228      
215-635 A PHLAPAWVDS0  9208 VERIZON PENNSYLVANIA, INC. 228      
215-649 A KGPRPADODS0  7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 228      
215-649 0   7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 228      
215-649 1   7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 228      
215-649 2   3806 CORE COMMUNICATIONS, INC. - PA 228   2018-10-25   
215-649 3   547E ONVOY, LLC - PA 228   2004-08-29   
215-649 4   547E ONVOY, LLC - PA 228   2004-08-29   
215-649 5   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 228   2004-08-29   
215-649 6   3806 CORE COMMUNICATIONS, INC. - PA 228   2018-10-25   
215-649 7   002F BANDWIDTH.COM CLEC, LLC - PA 228   2007-11-02   
215-649 8   3806 CORE COMMUNICATIONS, INC. - PA 228   2018-10-25   
215-649 9   7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 228      
215-663 A PHLAPAPIDS0  9208 VERIZON PENNSYLVANIA, INC. 228      
215-663 0   9208 VERIZON PENNSYLVANIA, INC. 228      
215-663 1   9208 VERIZON PENNSYLVANIA, INC. 228      
215-663 2   3806 CORE COMMUNICATIONS, INC. - PA 228   2018-10-25   
215-663 3   3806 CORE COMMUNICATIONS, INC. - PA 228   2018-10-25   
215-663 4   829J PAETEC ITEL, LLC 228   2009-11-23   
215-663 5   9208 VERIZON PENNSYLVANIA, INC. 228      
215-663 6   9208 VERIZON PENNSYLVANIA, INC. 228      
215-663 7   9208 VERIZON PENNSYLVANIA, INC. 228      
215-663 8   9208 VERIZON PENNSYLVANIA, INC. 228      

1 2 3 4 >>

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.