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: LBCKTXSWDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
806-281 A Lubbock TX 9533 SOUTHWESTERN BELL 544      
806-780 A Lubbock TX 9533 SOUTHWESTERN BELL 544      
806-782 A Lubbock TX 9533 SOUTHWESTERN BELL 544      
806-784 A Lubbock TX 9533 SOUTHWESTERN BELL 544      
806-785 A Lubbock TX 9533 SOUTHWESTERN BELL 544      
806-788 A Lubbock TX 9533 SOUTHWESTERN BELL 544      
806-791 A Lubbock TX 9533 SOUTHWESTERN BELL 544      
806-792 A Lubbock TX 9533 SOUTHWESTERN BELL 544      
806-793 A Lubbock TX 9533 SOUTHWESTERN BELL 544      
806-795 A Lubbock TX 9533 SOUTHWESTERN BELL 544      
806-796 A Lubbock TX 9533 SOUTHWESTERN BELL 544      
806-797 A Lubbock TX 9533 SOUTHWESTERN BELL 544      
806-799 A Lubbock TX 9533 SOUTHWESTERN BELL 544      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.