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: 636

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
806-636 A Brownfield TX LBCKTX97DS2  4913 VEXUS 544      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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