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: AMRLTXDRSMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
806-208 A Hedley TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 546      
806-223 A Amarillo TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 546      
806-397 A Fritch TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 546      
806-421 A Dumas TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 546      
806-452 A Canyon TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 546      
806-476 A Canyon TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 546      
806-540 A Vega TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 546      
806-553 A Amarillo TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 546      
806-576 A Amarillo TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 546      
806-591 A Hereford TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 546      
806-621 A Borger TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 546      
806-731 A Amarillo TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 546      
806-802 A Pampa TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 546      

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

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