Local Calling Guide

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Thornton, IA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
641-341 A DESMIADTFMD  221F ONVOY, LLC - IA 632      
641-341 4 DESMIADTFMD  221F ONVOY, LLC - IA 632   2022-02-06   
641-998 A THTNIAXORS9  1127 FRONTIER COMMUNICATIONS OF IOWA, INC. 632      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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