Local Calling Guide

Area code/prefix search

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NPA: 641 [Rate centres in NPA 641] [Dial plan for NPA 641]

NXX: 816

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
641-816 A Greene IA GRNEIA01RS0  3620 OMNITEL COMMUNICATIONS, INC. - IA 632      
641-816 1 Greene IA BOONIA01DS1  544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 632   2018-05-15   
641-816 2 Greene IA GRNEIA01RS0  3620 OMNITEL COMMUNICATIONS, INC. - IA 632      
641-816 3 Greene IA GRNEIA01RS0  3620 OMNITEL COMMUNICATIONS, INC. - IA 632      
641-816 4 Greene IA GRNEIA01RS0  3620 OMNITEL COMMUNICATIONS, INC. - IA 632      
641-816 5 Greene IA GRNEIA01RS0  3620 OMNITEL COMMUNICATIONS, INC. - IA 632      
641-816 6 Greene IA   145J TERRA NOVA TELECOM INC. 632   2025-05-27   
641-816 8 Greene IA GRNEIA01RS0  3620 OMNITEL COMMUNICATIONS, INC. - IA 632      

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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