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.

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

NXX: 563

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
806-563 A Sunray TX AMRLTX02X4Y  508J CENTURYLINK COMMUNICATIONS, LLC 546      
806-563 0 Sunray TX DLHRTXALDS1  7893 XIT TELECOMMUNICATIONS & TECHNOLOGY, INC. - TX 546   2021-09-04   
806-563 1 Sunray TX AMRLTXDRSMD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 546   2018-12-15   
806-563 6 Sunray TX AMRLTXDRWMD  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 546   2023-03-24   
806-563 7 Sunray TX AMRLTX02X4Y  508J CENTURYLINK COMMUNICATIONS, LLC 546   2017-12-25   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.