Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 641 [Rate centres in NPA 641] [Dial plan for NPA 641]

NXX: 266

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
641-266 A Ackley IA DESMIADTX6Y  516J TON80 COMMUNICATIONS, LLC 632      
641-266 6 Ackley IA DESMIADTX6Y  516J TON80 COMMUNICATIONS, LLC 632   2022-04-22   
641-266 7 Ackley IA DESMIADT1MD  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 632   2023-01-08   
641-266 8 Ackley IA   346F HEART OF IOWA VENTURES, L.L.C. - IA 632   2025-05-23   

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

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