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: AMRLTX02X4Y

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
806-415 A Channing TX 508J CENTURYLINK COMMUNICATIONS LLC 546      
806-501 A Boys Ranch TX 508J CENTURYLINK COMMUNICATIONS LLC 546      
806-504 A Adrian TX 508J CENTURYLINK COMMUNICATIONS LLC 546      
806-505 A Estelline TX 508J CENTURYLINK COMMUNICATIONS LLC 546      
806-506 A Dodson TX 508J CENTURYLINK COMMUNICATIONS LLC 546      
806-514 A Hartley TX 508J CENTURYLINK COMMUNICATIONS LLC 546      
806-519 A Lakeview TX 508J CENTURYLINK COMMUNICATIONS LLC 546      
806-526 A Groom TX 508J CENTURYLINK COMMUNICATIONS LLC 546      
806-529 A Wildorado TX 508J CENTURYLINK COMMUNICATIONS LLC 546      
806-540 A Vega TX 508J CENTURYLINK COMMUNICATIONS LLC 546      
806-563 A Sunray TX 508J CENTURYLINK COMMUNICATIONS LLC 546      
806-571 A Wellington TX 508J CENTURYLINK COMMUNICATIONS LLC 546      
806-639 A Amarillo TX 508J CENTURYLINK COMMUNICATIONS LLC 546      

Last updated: Fri, 01 Jul 2022 02:53:40 UTC

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