Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 1958 ATX TELECOMMUNICATIONS SERVICES, LTD

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
202-350 8 Washington Zone 1 DC   236   2005-10-13   
202-527 7 Washington Zone 1 DC   236   2007-09-23   
202-719 9 Washington Zone 1 DC   236   2006-09-19   
215-209 3 Philadelphia Zone 1 PA   228   2003-11-23   
215-286 A Philadelphia Zone 1 PA PHLBPABJDS3  228   2006-04-15   
215-286 0 Philadelphia Zone 1 PA   228   2006-04-15   
215-286 1 Philadelphia Zone 1 PA   228   2006-04-15   
215-286 2 Philadelphia Zone 1 PA   228   2006-04-15   
215-286 3 Philadelphia Zone 1 PA   228   2006-04-15   
215-286 4 Philadelphia Zone 1 PA   228   2006-04-15   
215-286 5 Philadelphia Zone 1 PA   228   2006-04-15   
215-286 6 Philadelphia Zone 1 PA   228   2006-04-15   
215-286 7 Philadelphia Zone 1 PA   228   2006-04-15   
215-286 8 Philadelphia Zone 1 PA   228   2006-04-15   
215-286 9 Philadelphia Zone 1 PA   228   2006-04-15   
215-400 2 Philadelphia Zone 1 PA   228   2005-01-14   
215-667 A Philadelphia Zone 1 PA PHLBPABJDS3  228   2005-06-17   
215-667 2 Philadelphia Zone 1 PA   228   2005-07-29   
215-667 6 Philadelphia Zone 1 PA   228   2005-06-17   
240-844 9 Ridge MD   236   2004-03-27   
267-354 A Perkasie PA PHLBPABJDS3  228      
267-354 6 Perkasie PA   228      
267-546 2 Philadelphia Zone 1 PA   228   2006-11-06   
267-675 6 Philadelphia Zone 1 PA   228   2007-02-14   
267-809 8 Philadelphia Zone 1 PA   228   2006-06-30   
267-913 5 Philadelphia Suburban Zone 38 PA   228   2005-03-09   
301-274 8 Hughesville MD   236   2004-03-27   
301-281 8 Washington Zone 6 MD   236   2004-03-27   
301-287 8 Washington Zone 11 MD   236   2004-03-27   
301-290 3 Mechanicsville MD   236   2004-03-27   
301-531 9 Washington Zone 4 MD   236   2003-04-06   
301-542 8 Waldorf MD   236   2004-03-27   
301-812 9 Washington Zone 15 (Baltimore LATA) MD   238   2004-01-31   
301-836 9 Washington Zone 5 MD   236   2004-03-27   
301-850 9 Washington Zone 14 MD   236   2004-03-27   
301-886 8 Washington Zone 13 MD   236   2003-04-06   
301-915 9 Washington Zone 2 MD   236   2004-03-27   
301-917 6 Washington Zone 10 MD   236   2005-07-08   
301-920 9 Washington Zone 3 MD   236   2004-03-02   
301-974 6 Laurel MD   236   2006-04-26   
301-994 8 Lexington Park-Great Mills MD   236   2004-03-27   
301-997 9 Leonardtown MD   236   2004-03-27   
410-306 9 Aberdeen MD   236   2003-02-25   
410-314 5 Arbutus MD   238   2004-03-27   
410-316 9 Cockeysville MD   238   2004-01-31   
410-319 0 Baltimore MD   238   2004-02-15   
410-343 8 Sparks-Glencoe MD   238   2006-01-31   
410-344 8 Chase MD   238   2003-02-25   
410-399 3 Bel Air MD   238   2003-03-11   
410-406 8 Essex MD   238   2004-03-27   

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Last updated: Sun, 10 Nov 2019 13:49:34 UTC

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