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: 821

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
641-821 A Grinnell IA DESMIAITX6X  5562 METROPCS, INC. 632      
641-821 0 Grinnell IA DESMIAITX6X  5562 METROPCS, INC. 632      
641-821 2 Grinnell IA GRNLIAXCQMD  221F ONVOY, LLC - IA 632   2023-08-11   
641-821 9 Grinnell IA DESMIAITX6X  5562 METROPCS, INC. 632      

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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