Local Calling Guide

Area code/prefix search

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
641-338 A LEONIAXODS0  1888 GRAND RIVER MUTUAL TEL CO 632      
641-338 0 LEONIAXODS0  1888 GRAND RIVER MUTUAL TEL CO 632      
641-338 1 LEONIAXODS0  1888 GRAND RIVER MUTUAL TEL CO 632      
641-338 2 LEONIAXODS0  1888 GRAND RIVER MUTUAL TEL CO 632      
641-338 3 LEONIAXODS0  1888 GRAND RIVER MUTUAL TEL CO 632      
641-338 8 DESMIADTXKX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 632   2022-02-13   
641-338 9 LEONIAXODS0  1888 GRAND RIVER MUTUAL TEL CO 632      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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