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.
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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
201-636 A Rutherford NJ NBWKNJ481MD  224      
201-636 6 Rutherford NJ NBWKNJ481MD  224      
201-636 9 Rutherford NJ NBWKNJ481MD  224      
202-350 8 Washington Zone 1 DC HRNDVACKAMD  236   2005-10-13   
202-527 7 Washington Zone 1 DC HRNDVACKAMD  236   2007-09-23   
202-719 9 Washington Zone 1 DC HRNDVACKAMD  236   2006-09-19   
215-209 3 Philadelphia Zone 1 PA PHLAPAFGXDY  228   2003-11-23   
215-286 A Philadelphia Zone 1 PA PHLAPAFGXDY  228      
215-286 0 Philadelphia Zone 1 PA PHLAPAFGXDY  228   2006-04-15   
215-286 1 Philadelphia Zone 1 PA PHLAPAFGXDY  228   2006-04-15   
215-286 2 Philadelphia Zone 1 PA PHLAPAFGXDY  228   2006-04-15   
215-286 3 Philadelphia Zone 1 PA PHLAPAFGXDY  228   2006-04-15   
215-286 4 Philadelphia Zone 1 PA PHLAPAFGXDY  228   2006-04-15   
215-286 5 Philadelphia Zone 1 PA PHLAPAFGXDY  228   2006-04-15   
215-286 6 Philadelphia Zone 1 PA PHLAPAFGXDY  228   2006-04-15   
215-286 7 Philadelphia Zone 1 PA PHLAPAFGXDY  228   2006-04-15   
215-286 8 Philadelphia Zone 1 PA PHLAPAFGXDY  228   2006-04-15   
215-286 9 Philadelphia Zone 1 PA PHLAPAFGXDY  228   2006-04-15   
215-400 2 Philadelphia Zone 1 PA PHLAPAFGXDY  228   2005-01-14   
215-667 A Philadelphia Zone 1 PA PHLAPAFGXDY  228      
215-667 2 Philadelphia Zone 1 PA PHLAPAFGXDY  228   2005-07-29   
215-667 6 Philadelphia Zone 1 PA PHLAPAFGXDY  228   2005-06-17   
240-844 9 Ridge MD HRNDVACKAMD  236   2004-03-27   
267-354 A Perkasie PA PHLAPAFGXDY  228      
267-354 6 Perkasie PA PHLAPAFGXDY  228      
267-546 2 Philadelphia Zone 1 PA PHLAPAFGXDY  228   2006-11-06   
267-675 6 Philadelphia Zone 1 PA PHLAPAFGXDY  228   2007-02-14   
267-809 8 Philadelphia Zone 1 PA PHLAPAFGXDY  228   2006-06-30   
267-913 5 Philadelphia Suburban Zone 38 PA PHLAPAFGXDY  228   2005-03-09   
301-274 8 Hughesville MD HRNDVACKAMD  236   2004-03-27   
301-281 8 Washington Zone 6 MD HRNDVACKAMD  236   2004-03-27   
301-287 8 Washington Zone 11 MD HRNDVACKAMD  236   2004-03-27   
301-290 3 Mechanicsville MD HRNDVACKAMD  236   2004-03-27   
301-531 9 Washington Zone 4 MD HRNDVACKAMD  236   2003-04-06   
301-542 8 Waldorf MD HRNDVACKAMD  236   2004-03-27   
301-812 9 Washington Zone 15 (Baltimore LATA) MD HRNDVACKAMD  238   2004-01-31   
301-836 9 Washington Zone 5 MD HRNDVACKAMD  236   2004-03-27   
301-850 9 Washington Zone 14 MD HRNDVACKAMD  236   2004-03-27   
301-886 8 Washington Zone 13 MD HRNDVACKAMD  236   2003-04-06   
301-915 9 Washington Zone 2 MD HRNDVACKAMD  236   2004-03-27   
301-917 6 Washington Zone 10 MD HRNDVACKAMD  236   2005-07-08   
301-920 9 Washington Zone 3 MD HRNDVACKAMD  236   2004-03-02   
301-974 6 Laurel MD HRNDVACKAMD  236   2006-04-26   
301-994 8 Lexington Park-Great Mills MD HRNDVACKAMD  236   2004-03-27   
301-997 9 Leonardtown MD HRNDVACKAMD  236   2004-03-27   
410-306 9 Aberdeen MD BLTMMDCHAMD  236   2003-02-25   
410-314 5 Arbutus MD BLTMMDCHAMD  238   2004-03-27   
410-316 9 Cockeysville MD BLTMMDCHAMD  238   2004-01-31   
410-319 0 Baltimore MD BLTMMDCHAMD  238   2004-02-15   
410-343 8 Sparks-Glencoe MD BLTMMDCHAMD  238   2006-01-31   

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

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