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: 388

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
806-388 A Plainview TX   6529 T-MOBILE USA, INC. 544      
806-388 9 Plainview TX LBCKTXPSX9Y  903C ONVOY, LLC - TX 544   2024-07-01   

Last updated: Sat, 02 May 2026 12:20:53 UTC

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