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: 727

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
641-727 A Blakesburg IA DESMIADTX6Y  516J TON80 COMMUNICATIONS, LLC 632      
641-727 2 Blakesburg IA DESMIADTX6Y  516J TON80 COMMUNICATIONS, LLC 632   2022-05-06   
641-727 3 Blakesburg IA KNVLIAXCPMD  624H ONVOY SPECTRUM, LLC 632   2024-03-09   
641-727 7 Blakesburg IA   145J TERRA NOVA TELECOM INC. 632   2025-05-24   

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

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