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: 312

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
806-312 A Post TX BWFDTXXA6MD  318C CEBRIDGE TELECOM TX , L.P. - TX 544      
806-312 0 Post TX BWFDTXXA6MD  318C CEBRIDGE TELECOM TX , L.P. - TX 544      
806-312 3 Post TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 544   2026-05-09   

Last updated: Sun, 17 May 2026 03:26:51 UTC

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