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: 924

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
641-924 A Garner IA DESMIADT1MD  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 632      
641-924 0 Garner IA   9877 LEVEL 3 COMMUNICATIONS, LLC - IA 632   2010-05-01   
641-924 1 Garner IA   515J IP HORIZON LLC 632   2025-09-25   
641-924 2 Garner IA   068H NORTHLAND COMMUNICATIONS, INC. - IA 632   2014-12-27   
641-924 4 Garner IA   221F ONVOY, LLC - IA 632   2013-01-24   
641-924 5 Garner IA   221F ONVOY, LLC - IA 632   2013-01-24   
641-924 6 Garner IA   508J CENTURYLINK COMMUNICATIONS, LLC 632   2017-04-01   
641-924 7 Garner IA   6103 WINNEBAGO COOPERATIVE TELEPHONE ASSOCIATION - IA 632   2011-02-25   
641-924 8 Garner IA   6529 T-MOBILE USA, INC. 632   2018-04-12   
641-924 9 Garner IA   6529 T-MOBILE USA, INC. 632   2018-04-12   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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