FDIC-insured bank

Pinnacle Bank

Bank headquartered in Marshalltown, Iowa, part of IOWA RIVER BCORP INC.
Source: FDIC BankFind Suite, data as of June 30, 2026, fetched September 5, 2026
Total assets
$324.44 million
Total deposits
$268.22 million
Branches
1
FDIC-insured since
1934
Established
1927

Headquarters and contact

Address2206 S Center St
Marshalltown, IA 50158
CountyMarshall
Metro areaMarshalltown, IA
Websitewww.bankpinnacle.us
Phonenot published in FDIC data, see the bank's website

FDIC record

FDIC Certificate252
Federal Reserve RSSD ID365745
StatusActive
Charter classSM (STATE)
Holding companyIOWA RIVER BCORP INC
Domestic offices1
Financials as ofJune 30, 2026

Routing number

FDIC does not publish ABA routing numbers, and many banks use different routing numbers by state or by account type. The reliable places to find yours: the bottom left of a check from this bank, the "account details" screen in its online banking, or its official website at www.bankpinnacle.us.
See how your odds compare before you apply at Pinnacle Bank.

Offices nearest to headquarters

Pinnacle Bank main office
Marshalltown, IA
2206 S Center St, 50158

Where Pinnacle Bank has offices

Other banks headquartered in Marshalltown

Farmers Savings Bank$140.32 million
United Bank & Trust Co.$120.14 million
Citizens Savings Bank$77.93 million