Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Thompson, IA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
641-514 A DESMIADTXKX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 632      
641-584 A LKMLIAXODS1  1337 WINNEBAGO COOP. TEL. ASSN. - IA 632      

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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