Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 936 [Rate centres in NPA 936] [Dial plan for NPA 936]

NXX: 336

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
936-336 A Liberty TX LBRTTXLBDS0  9533 SOUTHWESTERN BELL 560      

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

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