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: 858

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
806-858 A Canyon TX AMRLTX9847Z  478J NUSO, LLC 546   2025-01-30   
806-858 0 Canyon TX   515J IP HORIZON LLC 546   2025-04-28   
806-858 1 Canyon TX AMRLTX9847Z  478J NUSO, LLC 546   2025-01-30   
806-858 2 Canyon TX   515J IP HORIZON LLC 546   2025-04-28   
806-858 8 Canyon TX AMRLTX02X1Y  6529 T-MOBILE USA, INC. 546   2024-11-16   
806-858 9 Canyon TX AMRLTX02X1Y  6529 T-MOBILE USA, INC. 546   2024-11-16   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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