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: 505

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
806-505 A Estelline TX AMRLTX02X4Y  508J CENTURYLINK COMMUNICATIONS, LLC 546      
806-505 5 Estelline TX   145J TERRA NOVA TELECOM INC. 546   2025-08-08   
806-505 7 Estelline TX AMRLTX02X4Y  508J CENTURYLINK COMMUNICATIONS, LLC 546   2017-12-23   

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

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