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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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
918-818 5 Delaware OK 516C AT&T CORP. 538   2024-10-07   
918-848 5 Fairland OK 516C AT&T CORP. 538   2011-11-17   
918-860 5 Dewey OK 516C AT&T CORP. 538   2010-11-28   
918-861 4 Tulsa OK 516C AT&T CORP. 538   2014-11-14   
918-862 5 Oilton OK 516C AT&T CORP. 538   2015-04-27   
918-876 6 Bartlesville OK 516C AT&T CORP. 538   2009-10-28   
918-916 8 McAlester OK 516C AT&T CORP. 538   2015-04-03   
918-917 1 Wilburton OK 516C AT&T CORP. 538   2015-05-27   
918-923 7 Claremore OK 516C AT&T CORP. 538   2008-04-19   
918-932 8 Tulsa OK 516C AT&T CORP. 538   2011-02-14   
918-937 8 Ketchum OK 516C AT&T CORP. 538   2010-11-28   
918-942 5 Talihina OK 516C AT&T CORP. 538   2011-11-17   
918-962 8 Spiro OK 516C AT&T CORP. 538   2011-11-17   
918-964 7 Grove OK 516C AT&T CORP. 538   2015-04-03   
918-967 7 Stigler OK 516C AT&T CORP. 538   2010-11-28   
918-992 5 Tulsa OK 516C AT&T CORP. 538   2014-04-24   
918-995 A Jenks OK 516C AT&T CORP. 538      
918-995 7 Jenks OK 516C AT&T CORP. 538   2008-04-19   

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Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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