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 12, PA

<< 1 2 3 4 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
484-448 4   3806 CORE COMMUNICATIONS, INC. - PA 228   2018-10-26   
484-448 6 PHLAPAMK17Z  784E BLOCK LINE SYSTEMS, LLC - PA 228   2008-10-16   
484-448 7   3806 CORE COMMUNICATIONS, INC. - PA 228   2018-10-26   
484-448 8   3806 CORE COMMUNICATIONS, INC. - PA 228   2018-10-26   
484-449 A PHLAPAFGD4S  3806 CORE COMMUNICATIONS, INC. - PA 228   2024-02-06   
484-449 0   3806 CORE COMMUNICATIONS, INC. - PA 228   2018-10-26   
484-449 1   515J IP HORIZON LLC 228   2020-05-24   
484-449 2 PHLAPAMKGMD  551G NUSO, LLC 228   2016-09-23   
484-449 3 PHLAPAMKGMD  551G NUSO, LLC 228   2016-09-23   
484-449 4   3806 CORE COMMUNICATIONS, INC. - PA 228   2018-10-26   
484-449 5   3806 CORE COMMUNICATIONS, INC. - PA 228   2018-10-26   
484-449 6   3806 CORE COMMUNICATIONS, INC. - PA 228   2018-10-26   
484-449 7   3806 CORE COMMUNICATIONS, INC. - PA 228   2018-10-26   
484-449 8   515J IP HORIZON LLC 228   2020-05-24   
484-449 9   3806 CORE COMMUNICATIONS, INC. - PA 228   2018-10-26   
484-468 A PHLAPAFGX1Y  2514 US LEC OF PENNSYLVANIA, INC. 228      
484-468 1 PHLAPAFGX1Y  2514 US LEC OF PENNSYLVANIA, INC. 228      
484-468 2 PHLAPAFGX1Y  2514 US LEC OF PENNSYLVANIA, INC. 228      
484-468 3 PHLAPAFGX1Y  2514 US LEC OF PENNSYLVANIA, INC. 228      
484-468 4   3806 CORE COMMUNICATIONS, INC. - PA 228   2019-02-18   
484-468 5 PHLAPAFGBMD  197D VONAGE AMERICA LLC 228   2020-11-03   
484-468 6   3806 CORE COMMUNICATIONS, INC. - PA 228   2019-03-27   
484-468 7   3806 CORE COMMUNICATIONS, INC. - PA 228   2019-03-27   
484-468 8   3806 CORE COMMUNICATIONS, INC. - PA 228   2018-10-26   
484-468 9   3806 CORE COMMUNICATIONS, INC. - PA 228   2018-10-26   
484-621 A KGPRPADODS0  7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 228      
484-621 1 KGPRPADODS0  7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 228      
484-621 2 PHLAPAFGX2Y  506J TWILIO INTERNATIONAL, INC. 228   2020-12-01   
484-621 3 PHLAPAFGD2S  547E ONVOY, LLC - PA 228   2021-07-18   
610-318 A PHLBPAPU9MD  6630 USA MOBILITY WIRELESS, INC. 228      
610-460 A PHLBPAPU9MD  6630 USA MOBILITY WIRELESS, INC. 228      
610-480 A PHLAPAFGD0S  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 228      
610-480 0 ALTWPADTRS0  8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228   2003-02-06   
610-480 1 PHLAPAMKX4X  624H ONVOY SPECTRUM, LLC 228   2021-11-05   
610-480 2 PHLAPAMKX4X  624H ONVOY SPECTRUM, LLC 228   2021-11-05   
610-480 3 PHLAPAMKX4X  624H ONVOY SPECTRUM, LLC 228   2021-11-05   
610-480 4 PHLAPAMKX4X  624H ONVOY SPECTRUM, LLC 228   2021-11-05   
610-480 5 PHLAPAFGXXX  145J TERRA NOVA TELECOM INC. 228   2023-08-10   
610-480 6 PHLAPAFGXDY  1703 BROADVIEW NETWORKS, INC. - PA 228   2004-12-16   
610-480 7 PHLAPAMKX4X  624H ONVOY SPECTRUM, LLC 228   2021-11-05   
610-480 8 PHLAPAFGD0S  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 228      
610-480 9 PHLAPAMKX4X  624H ONVOY SPECTRUM, LLC 228   2021-11-05   
610-548 A PHLAPAAZDS2  7309 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 228      
610-548 0 PHLAPAMKX4X  624H ONVOY SPECTRUM, LLC 228   2021-11-05   
610-548 1 PHLAPAFG3MD  752H BARR TELL USA, INC. - PA 228   2016-02-10   
610-548 2   547E ONVOY, LLC - PA 228   2024-04-05   
610-548 3 PHLAPAFGD2S  547E ONVOY, LLC - PA 228   2023-08-10   
610-548 4 PHLAPAMKX4X  624H ONVOY SPECTRUM, LLC 228   2021-11-05   
610-548 5 KGPRPADODS0  7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 228   2008-09-05   
610-548 6 PHLBPAMYDS4  5494 NETCARRIER TELECOM, INC. - PA 228   2002-04-27   

<< 1 2 3 4 >>

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.