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: 577

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
806-577 A Lubbock TX LBCKTXPSXPX  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 544      
806-577 0 Lubbock TX   6529 T-MOBILE USA, INC. 544   2004-06-29   
806-577 1 Lubbock TX   6529 T-MOBILE USA, INC. 544   2004-06-16   
806-577 2 Lubbock TX   6529 T-MOBILE USA, INC. 544   2004-06-09   
806-577 3 Lubbock TX   6529 T-MOBILE USA, INC. 544   2004-04-16   
806-577 4 Lubbock TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 544      
806-577 5 Lubbock TX   6529 T-MOBILE USA, INC. 544   2004-03-22   
806-577 6 Lubbock TX   6529 T-MOBILE USA, INC. 544   2004-03-26   
806-577 7 Lubbock TX   6529 T-MOBILE USA, INC. 544   2004-03-26   
806-577 8 Lubbock TX   6529 T-MOBILE USA, INC. 544   2003-12-31   
806-577 9 Lubbock TX   6529 T-MOBILE USA, INC. 544   2003-12-31   

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

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