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: AMRLTX02X5Y

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
806-479 A Claude TX 982H MID-PLAINS RURAL TEL COOP DBA MID-PLAINS COMM-TX 546      
806-599 A Amarillo TX 982H MID-PLAINS RURAL TEL COOP DBA MID-PLAINS COMM-TX 546      
806-838 A Canyon TX 982H MID-PLAINS RURAL TEL COOP DBA MID-PLAINS COMM-TX 546      

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

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