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.

Switch: LBCKTXPSXDY

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
806-302 A Hale Center TX 516C AT&T CORP. 544      
806-302 7 Hale Center TX 516C AT&T CORP. 544   2011-10-24   
806-317 A Lubbock TX 516C AT&T CORP. 544      
806-317 1 Lubbock TX 516C AT&T CORP. 544   2005-05-21   
806-329 A Slaton TX 516C AT&T CORP. 544      
806-329 7 Slaton TX 516C AT&T CORP. 544   2006-06-30   
806-407 3 Lubbock TX 516C AT&T CORP. 544   2011-01-21   
806-407 5 Lubbock TX 516C AT&T CORP. 544   2009-11-30   
806-412 7 Lubbock TX 516C AT&T CORP. 544   2015-02-27   
806-429 5 Plainview TX 516C AT&T CORP. 544   2011-04-27   
806-475 A Floydada TX 516C AT&T CORP. 544      
806-475 7 Floydada TX 516C AT&T CORP. 544   2009-12-25   
806-652 5 Lockney TX 516C AT&T CORP. 544   2011-11-09   
806-784 2 Lubbock TX 516C AT&T CORP. 544   2014-08-18   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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