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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NPA: 806 [Rate centres in NPA 806] [Dial plan for NPA 806]

NXX: 903

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
806-903 A Lubbock TX LBCKTXPSXIZ  321J HD CARRIER LLC 544   2026-01-22   
806-903 0 Lubbock TX   425J CSC WIRELESS, LLC 544   2026-09-28   
806-903 1 Lubbock TX   425J CSC WIRELESS, LLC 544   2026-09-28   
806-903 6 Lubbock TX LBCKTXPSXIZ  321J HD CARRIER LLC 544   2026-01-22   
806-903 7 Lubbock TX LBCKTXPSXIZ  321J HD CARRIER LLC 544   2026-01-22   
806-903 8 Lubbock TX LBCKTXPSXIZ  321J HD CARRIER LLC 544   2026-01-22   
806-903 9 Lubbock TX LBCKTXPSXIZ  321J HD CARRIER LLC 544   2026-01-22   

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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