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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Switch: LBCKTXPSXPX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
806-243 A Hurlwood TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 544      
806-300 A Lubbock TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 544      
806-417 A Smyer TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 544      
806-424 A Hurlwood TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 544      
806-446 A Smyer TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 544      
806-577 A Lubbock TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 544      
806-579 A Levelland TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 544      
806-587 A Plainview TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 544      
806-589 A Lubbock TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 544      
806-686 A Lubbock TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 544      
806-739 A Olton TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 544      
806-853 A Lubbock TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 544      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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