Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Grand River, IA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
641-773 A LEONIAXODS0  1888 GRAND RIVER MUTUAL TEL CO 632      
641-773 0   1888 GRAND RIVER MUTUAL TEL CO 632      
641-773 1   1888 GRAND RIVER MUTUAL TEL CO 632      
641-773 2   1888 GRAND RIVER MUTUAL TEL CO 632      
641-773 3   145J TERRA NOVA TELECOM INC. 632   2025-05-24   
641-773 5   1888 GRAND RIVER MUTUAL TEL CO 632      
641-773 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 632   2022-02-13   
641-773 9   1888 GRAND RIVER MUTUAL TEL CO 632      

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

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