Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Alpine, TX

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
432-837 7 ALPITXAPDS0  9533 SOUTHWESTERN BELL 542      
432-837 8 ALPITXAPDS0  9533 SOUTHWESTERN BELL 542      
432-837 9 ALPITXAPDS0  9533 SOUTHWESTERN BELL 542      

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Last updated: Sat, 02 May 2026 12:20:53 UTC

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