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  Contact Information
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Grinnell State Bank 
814 4th Avenue 
Grinnell, Iowa 
50112-0744 
641.236.3174 
641.236.4329 fax 
 
Main Bank Lobby 
Mon-Fri 8:30 - 4:30 
Saturday 8:30 - Noon 
Drive - Up 
Mon - Fri 8:00 - 6:00                                   
Sat 8:30 - Noon 
24 Hour Drive-up ATM 
Marengo Bank 
1101 Court Ave. 
Marengo, Iowa 
52301-0168 
319.642.5511 
319.642.1111 fax 
 
Main Bank Lobby 
Mon-Thu 9:00 - 3:00 
Friday 9:00 - 6:00 
Drive - Up 
Mon - Thu 8:30 - 3:30 
Friday 8:30 - 6:00 
Saturday 8:30 - Noon 
24 Hour ATM 
 
Business Hours
Grinnell State Bank 
Mon-Thu                8:30am - 4:30pm 
Friday                     8:30am - 5:00pm 
Saturday                 8:30am  - Noon 
Drive - Up 
Mon - Fri                 8:00am - 6:00pm 
Sat                          8:30am - Noon 
Marengo Bank 
Mon-Thu                 9:00am - 3:00pm 
Friday                      9:00am - 6:00pm 
Drive - Up 
Mon - Thu               8:30am - 3:30pm 
Friday                      8:30am - 6:00pm 
Saturday                  8:30am - Noon 

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