Main Office Address
529 G Ave
Grundy Center, IA 50638
Main Office Hours
Friday Hours: 7:00 AM - 5:00 PM
GNB Bank was established on 03/16/1934. Headquartered in Grundy Center, IA, it has assets in the amount of $350,210,000. Its customers are served from 4 branch locations. Deposits in GNB Bank are insured by the FDIC. GNB Bank is a community bank, as defined by the FDIC.