Local Calling Guide

Area code/prefix search

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OCN: 4007 LEVEL 3 COMMUNICATIONS, LLC - PA

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
610-365 7 Nazareth PA   228   2006-01-08   
610-379 4 Lehighton PA   232   2005-08-15   
610-400 1 Coatesville PA   228   2005-02-21   
610-400 3 Coatesville PA   228   2007-11-06   
610-400 8 Coatesville PA   228   2006-05-12   
610-410 A Center Point PA PHLAPAFGD0S  228      
610-410 5 Center Point PA   228   2005-03-14   
610-410 7 Center Point PA   228      
610-410 8 Center Point PA   228      
610-421 4 Emmaus PA   228   2005-09-10   
610-422 3 Phoenixville PA   228   2005-04-28   
610-425 A West Chester PA PHLAPAFGD0S  228      
610-425 3 West Chester PA   228      
610-425 4 West Chester PA   228      
610-427 8 Pottstown PA   228   2011-07-23   
610-440 3 Northampton PA   228   2004-11-15   
610-440 4 Northampton PA   228   2006-04-08   
610-450 A Exton PA PHLAPAFGD0S  228      
610-450 4 Exton PA   228      
610-450 6 Exton PA   228      
610-480 A Philadelphia Suburban Zone 12 PA PHLAPAFGD0S  228      
610-480 8 Philadelphia Suburban Zone 12 PA   228      
610-482 4 Phoenixville PA   228   2003-08-20   
610-493 2 Oley PA   228   2017-05-04   
610-498 8 Belvidere PA   228   2017-09-02   
610-556 2 Uhlerstown PA   228   2017-06-11   
610-572 1 Philadelphia Suburban Zone 21 PA   228   2004-12-01   
610-572 2 Philadelphia Suburban Zone 21 PA   228   2005-10-23   
610-572 3 Philadelphia Suburban Zone 21 PA   228   2005-10-23   
610-572 4 Philadelphia Suburban Zone 21 PA   228   2002-05-08   
610-572 7 Philadelphia Suburban Zone 21 PA   228   2012-11-11   
610-575 2 Birdsboro PA   228   2017-05-04   
610-579 A Philadelphia Suburban Zone 10 PA PHLAPAFGD0S  228      
610-579 3 Philadelphia Suburban Zone 10 PA   228      
610-579 4 Philadelphia Suburban Zone 10 PA   228      
610-579 5 Philadelphia Suburban Zone 10 PA   228      
610-579 7 Philadelphia Suburban Zone 10 PA   228      
610-579 9 Philadelphia Suburban Zone 10 PA   228      
610-590 A Chester Springs PA PHLAPAFGD0S  228      
610-590 0 Chester Springs PA   228      
610-590 1 Chester Springs PA   228   2005-02-21   
610-590 2 Chester Springs PA   228   2005-05-28   
610-590 4 Chester Springs PA   228   2002-05-09   
610-596 A Catasauqua PA PHLAPAFGD0S  228      
610-596 0 Catasauqua PA   228      
610-596 2 Catasauqua PA   228      
610-598 A Bowmanstown PA PHLAPAFGD0S  228      
610-598 6 Bowmanstown PA   228   2015-10-25   
610-614 5 Nazareth PA   228   2019-08-04   
610-616 2 Philadelphia Suburban Zone 14 PA   228   2005-01-14   

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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