Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 806 [Rate centres in NPA 806] [Dial plan for NPA 806]

NXX: 503

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
806-503 A Lubbock TX LBCKTXPSXEY  551G NUSO, LLC 544      
806-503 0 Lubbock TX   903C ONVOY, LLC - TX 544   2016-08-06   
806-503 1 Lubbock TX   551G NUSO, LLC 544   2014-07-05   
806-503 2 Lubbock TX   903C ONVOY, LLC - TX 544   2016-08-06   
806-503 3 Lubbock TX   903C ONVOY, LLC - TX 544   2016-08-06   
806-503 4 Lubbock TX   004F BANDWIDTH.COM CLEC, LLC - TX 544   2016-08-20   
806-503 5 Lubbock TX   004F BANDWIDTH.COM CLEC, LLC - TX 544   2016-08-20   
806-503 6 Lubbock TX   7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 544   2016-06-20   
806-503 7 Lubbock TX   7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 544   2017-09-25   
806-503 8 Lubbock TX   903C ONVOY, LLC - TX 544   2017-12-03   
806-503 9 Lubbock TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 544   2019-01-07   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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