Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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The Dalles, OR

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
541-993 7 LNBHWAAA0MD  6349 UNITED STATES CELLULAR - OR 672      
541-993 8 LNBHWAAA0MD  6349 UNITED STATES CELLULAR - OR 672      
541-993 9 LNBHWAAA0MD  6349 UNITED STATES CELLULAR - OR 672      

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Last updated: Sun, 01 Nov 2026 02:11:49 UTC

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