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: LBCKTXPSXJY

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
806-243 7 Hurlwood TX 508J CENTURYLINK COMMUNICATIONS, LLC 544   2016-02-16   
806-301 7 Brownfield TX 508J CENTURYLINK COMMUNICATIONS, LLC 544   2015-11-27   
806-302 8 Hale Center TX 508J CENTURYLINK COMMUNICATIONS, LLC 544   2016-02-16   
806-417 7 Smyer TX 508J CENTURYLINK COMMUNICATIONS, LLC 544   2016-02-16   
806-442 7 Levelland TX 508J CENTURYLINK COMMUNICATIONS, LLC 544   2015-11-27   
806-496 7 Slaton TX 508J CENTURYLINK COMMUNICATIONS, LLC 544   2016-05-20   
806-507 A Lubbock TX 508J CENTURYLINK COMMUNICATIONS, LLC 544      
806-507 7 Lubbock TX 508J CENTURYLINK COMMUNICATIONS, LLC 544   2015-11-26   
806-587 7 Plainview TX 508J CENTURYLINK COMMUNICATIONS, LLC 544   2016-05-20   
806-606 A Idalou TX 508J CENTURYLINK COMMUNICATIONS, LLC 544      
806-606 7 Idalou TX 508J CENTURYLINK COMMUNICATIONS, LLC 544   2016-02-15   
806-616 7 Plains TX 508J CENTURYLINK COMMUNICATIONS, LLC 544   2016-10-28   
806-617 7 Anton TX 508J CENTURYLINK COMMUNICATIONS, LLC 544   2016-10-28   
806-652 7 Lockney TX 508J CENTURYLINK COMMUNICATIONS, LLC 544   2016-05-20   
806-800 7 Wilson TX 508J CENTURYLINK COMMUNICATIONS, LLC 544   2016-02-16   
806-855 7 Wolfforth TX 508J CENTURYLINK COMMUNICATIONS, LLC 544   2016-02-16   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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