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: AMRLTX02XBY

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
806-690 4 Amarillo TX 6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 546      
806-690 5 Amarillo TX 6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 546      
806-690 6 Amarillo TX 6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 546      
806-690 7 Amarillo TX 6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 546      
806-690 8 Amarillo TX 6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 546      
806-710 A Dumas TX 6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 546      
806-710 0 Dumas TX 6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 546   2020-05-23   
806-710 7 Dumas TX 6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 546   2024-12-04   
806-717 0 Dumas TX 6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 546   2006-10-12   
806-717 3 Dumas TX 6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 546   2007-05-04   
806-717 4 Dumas TX 6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 546   2014-06-08   
806-930 A Dumas TX 6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 546      
806-979 A Guymon TX 6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 546      

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Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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