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: AMRLTX02X1Y

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
806-206 A Amarillo TX 5562 METROPCS, INC. 546      
806-236 A Amarillo TX 5562 METROPCS, INC. 546      
806-400 A Amarillo TX 5562 METROPCS, INC. 546      
806-433 A Amarillo TX 5562 METROPCS, INC. 546      
806-440 A Pampa TX 6529 T-MOBILE USA, INC. 546      
806-444 A Amarillo TX 5562 METROPCS, INC. 546      
806-471 A Amarillo TX 6529 T-MOBILE USA, INC. 546      
806-517 A Amarillo TX 6529 T-MOBILE USA, INC. 546      
806-584 A Amarillo TX 6529 T-MOBILE USA, INC. 546      
806-884 A Dalhart TX 5562 METROPCS, INC. 546      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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