Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 346F HEART OF IOWA VENTURES, L.L.C. - IA

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
319-245 8 Grundy Center IA   635   2025-05-22   
319-345 8 Reinbeck IA   635   2025-05-22   
641-266 8 Ackley IA   632   2025-05-23   
641-327 8 Wellsburg IA   632   2025-05-23   
641-354 7 Marshalltown IA MRTWIAAQ3MD  632   2019-04-01   
641-473 6 Gladbrook IA MRTWIAAQ3MD  632   2010-07-20   
641-479 3 Le Grand IA MRTWIAAQ3MD  632   2009-03-23   
641-758 A Marshalltown IA MRTWIAAQ3MD  632      
641-758 3 Marshalltown IA MRTWIAAQ3MD  632   2009-03-21   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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