Local Calling Guide

Area code/prefix search

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NPA: 806 [Rate centres in NPA 806] [Dial plan for NPA 806]

NXX: 364

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
806-364 A Hereford TX HRFRTXHFDS0  9533 SOUTHWESTERN BELL 546      

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

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