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.

OCN: 7513 CTSI, INC. - PA

1 2 3 4 5 6 7 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
215-249 2 Dublin PA PTTWPAPT3MD  228   2006-10-29   
215-369 6 Yardley PA PTTWPAPT3MD  228   2006-10-29   
215-420 3 Philadelphia Suburban Zone 39 PA ALTWPAALPMD  228   2005-07-11   
215-541 6 Pennsburg PA ALTWPAALPMD  228   2006-10-29   
215-616 7 North Wales PA ALTWPAALPMD  228   2006-12-04   
215-660 6 Souderton PA ALTWPAALPMD  228   2006-10-29   
215-664 3 Philadelphia Suburban Zone 33 PA ALTWPAALPMD  228   2005-07-11   
215-712 3 Line Lexington PA HRBGPA29DS0  228   2006-10-29   
215-853 5 Lansdale PA ALTWPAALPMD  228   2006-10-29   
215-933 7 Doylestown PA PTTWPAPT3MD  228   2006-10-29   
267-377 8 Quakertown PA PTTWPAPT3MD  228   2006-10-29   
272-808 A Wilkes-Barre PA PLNSPAARDS0  232      
272-808 2 Wilkes-Barre PA PLNSPAARDS0  232   2016-06-24   
484-228 5 Glenmoore PA PTTWPAPT3MD  228   2006-10-29   
484-246 3 Catasauqua PA ALTWPAALPMD  228   2005-07-11   
484-252 5 Exton PA PTTWPAPT3MD  228   2006-10-29   
484-258 7 Reading PA RDNGPAREUMD  228   2010-07-08   
484-263 3 Slatington PA ALTWPAALPMD  228   2006-10-06   
484-275 3 Northampton PA ALTWPAALPMD  228   2006-10-06   
484-281 7 Bath PA ALTWPAALPMD  228   2006-07-28   
484-373 3 Easton PA ALTWPAALPMD  228   2005-07-11   
484-374 A Pottstown PA PTTWPAPTPS0  228      
484-374 4 Pottstown PA PTTWPAPTPS0  228   2009-10-22   
484-391 7 Philadelphia Suburban Zone 29 PA ALTWPAALPMD  228   2006-10-29   
484-464 6 Lehighton PA PLNSPAARDS0  232   2007-06-09   
484-519 3 Emmaus PA ALTWPAALPMD  228   2006-10-06   
484-575 3 Fleetwood PA ALTWPAALPMD  228   2006-10-29   
484-601 8 New Tripoli PA ALTWPAALPMD  228   2006-10-06   
484-626 9 Bethlehem PA ALTWPAALPMD  228   2011-12-13   
484-641 4 Kutztown (Berks) PA ALTWPAALPMD  228   2006-10-29   
484-647 8 New Smithville PA ALTWPAALPMD  228   2006-10-06   
484-649 A Allentown (Lehigh) PA ALTWPAALPMD  228      
484-660 5 Hamburg PA ALTWPAALPMD  228   2006-10-29   
484-661 A Allentown (Lehigh) PA ALTWPAALPMD  228      
484-661 4 Allentown (Lehigh) PA ALTWPAALPMD  228   2007-11-17   
484-664 2 Allentown (Lehigh) PA ALTWPAALPMD  228   2005-04-08   
484-664 3 Allentown (Lehigh) PA ALTWPAALPMD  228      
484-664 4 Allentown (Lehigh) PA ALTWPAALPMD  228      
484-664 5 Allentown (Lehigh) PA ALTWPAALPMD  228      
484-664 7 Allentown (Lehigh) PA ALTWPAALPMD  228   2003-01-21   
484-763 A Allentown (Lehigh) PA ALTWPAALPMD  228   2021-01-16   
484-763 1 Allentown (Lehigh) PA ALTWPAALPMD  228   2021-01-16   
484-788 A Allentown (Lehigh) PA ALTWPAALPMD  228      
484-788 0 Allentown (Lehigh) PA ALTWPAALPMD  228   2003-04-03   
484-853 3 Hellertown PA ALTWPAALPMD  228   2006-10-06   
484-857 5 Kempton PA ALTWPAALPMD  228   2006-10-29   
484-884 A Bethlehem PA ALTWPAALPMD  228      
484-895 3 Bethlehem PA ALTWPAALPMD  228   2003-01-25   
484-895 4 Bethlehem PA ALTWPAALPMD  228   2004-07-17   
484-941 A Pottstown PA PTTWPAPT3MD  228      

1 2 3 4 5 6 7 >>

Last updated: Sun, 28 Feb 2021 19:06:05 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.