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: 277

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
806-277 A Clarendon TX AMRLTX02XVY  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 546      
806-277 0 Clarendon TX AMRLTX02XVY  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 546      
806-277 2 Clarendon TX   145J TERRA NOVA TELECOM INC. 546   2025-08-08   
806-277 6 Clarendon TX AMRLTXDRWMD  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 546   2023-04-01   
806-277 7 Clarendon TX AMRLTX02XAY  965H FRACTEL, LLC 546   2020-08-01   
806-277 9 Clarendon TX AMRLTX02XVY  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 546   2015-07-25   

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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