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
484-237 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   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 PHLAPAFGXCY  4153 PAETEC COMMUNICATIONS, INC. - PA 228   2007-11-13   
484-593 6 PHLAPAMKXGZ  3115 CTC COMMUNICATIONS CORP. - PA 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 PHLAPAFGXXX  145J TERRA NOVA TELECOM INC. 228   2023-08-10   
484-691 2 PHLAPAFGD0S  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 228      
484-691 4 PHLAPAFGX2Y  506J TWILIO INTERNATIONAL, INC. 228   2020-12-01   
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 NWRKDEWWAMD  8347 CAVALIER TELEPHONE LLC (MID-ATLANTIC) - PA 228      
484-692 0 WNRTPAAHCMA  6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 228   2023-08-22   
484-692 1 NWRKDEWWAMD  8347 CAVALIER TELEPHONE LLC (MID-ATLANTIC) - PA 228      
484-692 2 NWRKDEWWAMD  8347 CAVALIER TELEPHONE LLC (MID-ATLANTIC) - PA 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   

1 2 3 >>

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.