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 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
484-237 A PHLAPAFGD0S  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 228      
484-237 0   3806 CORE COMMUNICATIONS, INC. - PA 228   2004-04-18   
484-237 1 PHLAPAMK20Z  002F BANDWIDTH.COM CLEC, LLC - PA 228   2007-11-25   
484-237 2 KGPRPADODS0  7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 228   2003-05-07   
484-237 3 PHLAPAFGD0S  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 228   2008-11-14   
484-237 4 PHLAPAFGX0Y  516J TON80 COMMUNICATIONS, LLC 228   2022-03-21   
484-237 5 PHLAPAFGD0S  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 228      
484-237 6 PHLAPAFGD0S  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 228      
484-237 7   3806 CORE COMMUNICATIONS, INC. - PA 228   2019-04-06   
484-237 8 PHLAPAMKXCX  318J COMCAST IP PHONE, LLC 228   2002-07-29   
484-237 9 PHLAPAFGD4S  967E PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA 228   2012-05-10   
484-364 A WNRTPAAHCMA  6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 228      
484-364 0 WNRTPAAHCMA  5562 METROPCS, INC. 228   2007-04-08   
484-364 1 WNRTPAAHCMA  6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 228      
484-364 2 PHLAPAFGD2S  547E ONVOY, LLC - PA 228   2012-10-05   
484-364 3 PHLAPAMK20Z  002F BANDWIDTH.COM CLEC, LLC - PA 228   2010-02-27   
484-364 4 PHLAPAMKXCX  318J COMCAST IP PHONE, LLC 228   2007-04-12   
484-364 5 PHLAPAMK20Z  002F BANDWIDTH.COM CLEC, LLC - PA 228   2013-01-12   
484-364 6 WNRTPAAHCMA  6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 228      
484-364 7 WNRTPAAHCMA  6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 228   2015-08-04   
484-364 8 WNRTPAAHCMA  6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 228   2011-03-14   
484-364 9 WNRTPAAHCMA  6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 228      
484-593 A PHLAPAMKXCX  318J COMCAST IP PHONE, LLC 228      
484-593 0 PHLAPAMKXCX  318J COMCAST IP PHONE, LLC 228   2006-09-16   
484-593 1 PHLAPAFGD2S  547E ONVOY, LLC - PA 228   2016-03-25   
484-593 2 PHLAPAMKXCX  318J COMCAST IP PHONE, LLC 228   2015-07-23   
484-593 3 PHLAPAFGD2S  547E ONVOY, LLC - PA 228   2016-03-25   
484-593 4 PHLAPAMKXCX  318J COMCAST IP PHONE, LLC 228   2007-11-24   
484-593 5   829J PAETEC ITEL, LLC 228   2007-11-13   
484-593 6   829J PAETEC ITEL, LLC 228   2016-01-15   
484-593 7 PHLAPAFGD2S  547E ONVOY, LLC - PA 228   2018-09-10   
484-593 8 PHLAPAFGD4S  967E PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA 228   2016-04-09   
484-593 9   515J IP HORIZON LLC 228   2015-03-28   
484-691 A PHLAPAFGD0S  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 228      
484-691 0 WNRTPAAHCMA  6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 228   2023-08-22   
484-691 1   145J TERRA NOVA TELECOM INC. 228   2023-08-10   
484-691 2 PHLAPAFGD0S  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 228      
484-691 7 PHLAPAFGD0S  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 228      
484-691 8 WNRTPAAHCMA  6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 228   2023-08-22   
484-691 9 WNRTPAAHCMA  6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 228   2023-08-22   
484-692 A   829J PAETEC ITEL, LLC 228   2025-03-11   
484-692 0 WNRTPAAHCMA  6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 228   2023-08-22   
484-692 1   829J PAETEC ITEL, LLC 228      
484-692 2   829J PAETEC ITEL, LLC 228      
484-692 4   3806 CORE COMMUNICATIONS, INC. - PA 228   2018-06-09   
484-692 5   3806 CORE COMMUNICATIONS, INC. - PA 228   2018-06-09   
484-692 6   3806 CORE COMMUNICATIONS, INC. - PA 228   2019-04-06   
484-692 7 PHLAPA031MD  508J CENTURYLINK COMMUNICATIONS, LLC 228   2014-04-01   
484-692 8   515J IP HORIZON LLC 228   2016-05-31   
484-692 9 PHLAPAFGD2S  547E ONVOY, LLC - PA 228   2024-03-08   
484-693 A PHLBPAPU5MD  4161 GLOBAL CROSSING LOCAL SERVICES, INC. - PA 228      
484-693 0 PHLAPAMK20Z  002F BANDWIDTH.COM CLEC, LLC - PA 228   2008-12-19   
484-693 1 PHLBPAPU5MD  4161 GLOBAL CROSSING LOCAL SERVICES, INC. - PA 228      
484-693 2 PHLAPAFGD2S  547E ONVOY, LLC - PA 228   2023-08-10   
484-693 3 WAYNPALADS3  7309 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 228   2005-05-18   
484-693 5 PHLAPAMKX4X  624H ONVOY SPECTRUM, LLC 228   2021-05-10   
484-693 6 PHLAPAFGD2S  547E ONVOY, LLC - PA 228   2004-10-28   
484-693 7 PHLAPAFGD2S  547E ONVOY, LLC - PA 228   2004-10-28   
484-693 8 PHLAPAFGD2S  547E ONVOY, LLC - PA 228   2004-10-28   
484-694 A PHLAPAMKXSX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 228      
484-694 0 PHLAPAFGD2S  547E ONVOY, LLC - PA 228   2004-10-28   
484-694 1 PHLAPAFGD2S  547E ONVOY, LLC - PA 228   2004-10-28   
484-694 2 PHLAPAFGD2S  547E ONVOY, LLC - PA 228   2004-10-28   
484-694 3 PHLAPAFGD2S  547E ONVOY, LLC - PA 228   2004-10-28   
484-694 4 PHLAPAMK17Z  784E BLOCK LINE SYSTEMS, LLC - PA 228   2008-10-16   
484-694 5 PHLAPAMKXSX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 228   2004-10-28   
484-694 6 PHLAPAFGD2S  547E ONVOY, LLC - PA 228   2004-10-28   
484-694 7 PHLAPAFGD2S  547E ONVOY, LLC - PA 228   2004-10-28   
484-694 8   3806 CORE COMMUNICATIONS, INC. - PA 228   2019-04-15   
484-694 9 PHLAPAFGD2S  547E ONVOY, LLC - PA 228   2004-10-28   
484-696 A NATNPAAGGT0  7615 RCN TELECOM SERVICES OF PENNSYLVANIA, INC. 228      
484-696 0 PHLAPAFGXCX  073H TELNYX LLC 228   2017-07-28   
484-696 1 PHLAPAFGD0S  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 228   2005-04-15   
484-696 2 PHLAPAFGD0S  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 228   2005-04-15   
484-696 3 PHLAPAMKXSX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 228   2006-02-03   
484-696 4 PHLAPAFGD0S  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 228   2003-08-20   
484-696 5 PHLAPAMK20Z  002F BANDWIDTH.COM CLEC, LLC - PA 228   2009-12-13   
484-696 6 NATNPAAGGT0  7615 RCN TELECOM SERVICES OF PENNSYLVANIA, INC. 228      
484-696 7 PHLAPAMK20Z  002F BANDWIDTH.COM CLEC, LLC - PA 228   2009-12-13   
484-696 8 NATNPAAGGT0  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 PHLAPAFGD2S  547E ONVOY, LLC - PA 228   2023-08-10   
484-698 1 PHLAPAFGD2S  547E ONVOY, LLC - PA 228   2004-08-29   
484-698 2 PHLAPAFGD2S  547E ONVOY, LLC - PA 228   2004-08-29   
484-698 3 PHLAPAFGD2S  547E ONVOY, LLC - PA 228   2004-08-29   
484-698 4 PHLAPAFGD2S  547E ONVOY, LLC - PA 228   2004-08-29   
484-698 5 PHLAPAFGD2S  547E ONVOY, LLC - PA 228   2004-08-29   
484-698 6   829J PAETEC ITEL, LLC 228      
484-698 7 PHLAPAFGD2S  547E ONVOY, LLC - PA 228   2004-08-29   
484-698 8 PHLAPAMKXCX  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 PHLAPAAZDS2  7309 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 228      
610-343 1 PHLAPAMK38Z  829J PAETEC ITEL, LLC 228   2002-03-13   
610-343 2 ALTWPAALPMD  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 >>

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.