Grinnell State Bank will be open for our normal business hours on Monday, October 8, 2018. Any transactions after closing Friday, October 5, 2018 will be processed Tuesday, October 9, 2018 due to the observance of COLUMBUS DAY. *This includes all wires/ACH files.

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Genuinely Local Since 1925
24/7 GSB Telebanking
Balances, Transfers, & Account Information
(800)­  411-­9331
Pin #: Last 4 Digits of Social Security
Grinnell
814 4th Ave
Grinnell, IA 50112
(641)­  236-­3174
Johnston
5601 Merle Hay Rd
Johnston, IA 50131
(515)­  278-­6300
Marengo
1101 Court Ave
Marengo, IA 52301
(319)­  642-­5511
Polk City
205 Broadway St
Polk City, IA 50226
(515)­  984-­6211

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