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: 955F TELECOM NORTH AMERICA MOBILE INC

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
417-296 8 El Dorado Springs MO   522   2012-10-12   
417-391 3 El Dorado Springs MO   522   2012-10-12   
417-400 A El Dorado Springs MO BASNMOXAX6X  522      
417-400 0 El Dorado Springs MO   522   2010-04-29   
417-400 1 El Dorado Springs MO   522   2011-12-12   
417-400 2 El Dorado Springs MO   522   2011-12-12   
417-400 3 El Dorado Springs MO   522   2012-07-16   
417-400 4 El Dorado Springs MO   522   2012-07-16   
417-400 5 El Dorado Springs MO   522   2012-07-16   
417-400 6 El Dorado Springs MO   522   2012-07-20   
417-400 7 El Dorado Springs MO   522   2012-07-20   
417-400 8 El Dorado Springs MO   522   2012-07-20   
417-400 9 El Dorado Springs MO   522   2012-10-12   
417-698 1 El Dorado Springs MO   522   2015-12-13   
417-698 2 El Dorado Springs MO   522   2015-12-13   
417-698 3 El Dorado Springs MO   522   2015-12-13   
417-698 8 El Dorado Springs MO   522   2012-10-12   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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