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: 784E BLOCK LINE SYSTEMS, LLC PA

<< 1 2 3 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
267-989 3 Philadelphia Suburban Zone 40 PA   228   2009-09-27   
484-286 4 Bath PA   228   2009-05-15   
484-294 4 Allentown (Lehigh) PA   228   2009-09-27   
484-353 7 Bethlehem PA   228   2010-09-10   
484-359 6 Eagle (Chester) PA   228   2009-05-15   
484-362 6 Philadelphia Suburban Zone 31 PA   228   2008-10-06   
484-374 6 Pottstown PA   228   2009-12-05   
484-378 A Coatesville PA PHLAPAMK17Z  228   2009-05-25   
484-378 4 Coatesville PA   228   2009-05-25   
484-392 4 Philadelphia Suburban Zone 29 PA   228   2010-03-26   
484-448 6 Philadelphia Suburban Zone 12 PA   228   2008-10-16   
484-454 4 Philadelphia Suburban Zone 21 PA   228   2010-03-26   
484-525 4 Reading PA   228   2008-11-24   
484-540 6 Philadelphia Suburban Zone 14 PA   228   2009-05-01   
484-558 4 Glenmoore PA   228   2010-03-11   
484-647 3 New Smithville PA   228   2009-09-27   
484-665 4 Hamburg PA   228   2010-03-11   
484-694 4 Downingtown PA   228   2008-10-16   
484-760 4 Westtown PA   228   2010-04-26   
484-793 4 Fleetwood PA   228   2009-12-05   
484-796 4 Honey Brook PA   228   2010-03-11   
484-823 6 Avondale (Chester) PA   228   2009-12-05   
484-856 4 Hellertown PA   228   2010-03-11   
484-857 6 Kempton PA   228   2010-07-11   
484-874 4 Exton PA   228   2013-05-23   
484-875 6 Exton PA   228   2008-09-07   
484-909 4 Parkesburg PA   228   2013-10-14   
484-968 4 Schwenksville PA   228   2010-04-26   
484-985 3 Pughtown PA   228   2010-04-26   
484-999 6 West Chester PA   228   2013-07-02   
610-226 4 Collegeville PA   228   2009-04-30   
610-233 3 Philadelphia Suburban Zone 30 PA   228   2008-06-18   
610-235 4 West Chester PA   228   2007-12-07   
610-243 4 Lenape PA   228   2010-03-20   
610-255 6 Kemblesville PA   228   2010-03-11   
610-274 6 Landenberg PA   228   2010-03-20   
610-298 6 New Tripoli PA   228   2010-03-20   
610-333 4 Easton PA   228   2009-12-05   
610-345 4 West Grove PA   228   2010-04-26   
610-346 4 Springtown PA   228   2010-04-26   
610-347 7 Unionville (Chester) PA   228   2010-04-26   
610-426 4 Kutztown (Berks) PA   228   2010-03-11   
610-474 6 Royersford PA   228   2009-02-12   
610-482 3 Phoenixville PA   228   2008-10-16   
610-486 4 Mortonville PA   228   2010-03-20   
610-502 6 Northampton PA   228   2010-03-26   
610-528 4 Center Point PA   228   2009-04-30   
610-579 6 Philadelphia Suburban Zone 10 PA   228   2008-10-16   
610-592 2 Philadelphia Suburban Zone 30 PA   228   2018-06-14   
610-605 4 Philadelphia Suburban Zone 13 PA   228   2008-10-16   

<< 1 2 3 >>

Last updated: Thu, 10 Sep 2020 02:15:24 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.