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: LBCKTXPSXGZ

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
806-448 A Lubbock TX 145J TERRA NOVA TELECOM INC. 544      
806-799 9 Lubbock TX 145J TERRA NOVA TELECOM INC. 544   2026-06-06   
806-840 0 Slaton TX 145J TERRA NOVA TELECOM INC. 544   2026-05-18   

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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