Online Banking Services may experience down times on Sept. 15th between 9pm and 2am due to maintenance updates. We apologize for the inconvenience and appreciate your patience with this matter.

Genuinely Local Since 1925
24/7 GSB Telebanking
Balances, Transfers, & Account Information
(800)­  411-­9331
Pin #: Last 4 Digits of Social Security
814 4th Ave
Grinnell, IA 50112
(641)­  236-­3174
5601 Merle Hay Rd
Johnston, IA 50131
(515)­  278-­6300
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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