FDIC-insured bank

Oostburg State Bank

Bank headquartered in Oostburg, Wisconsin, part of OOSTBURG BCORP INC.
Source: FDIC BankFind Suite, data as of June 30, 2026, fetched September 5, 2026
Total assets
$440.18 million
Total deposits
$388.37 million
Branches
4
FDIC-insured since
1934
Established
1908

Headquarters and contact

Address905 Center Ave
Oostburg, WI 53070
CountySheboygan
Metro areaSheboygan, WI
Websitewww.oostburgstate.bank
Phonenot published in FDIC data, see the bank's website

FDIC record

FDIC Certificate10380
Federal Reserve RSSD ID248745
StatusActive
Charter classNM (STATE)
Holding companyOOSTBURG BCORP INC
Domestic offices4
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.oostburgstate.bank.
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Offices nearest to headquarters

Oostburg State Bank main office
Oostburg, WI
905 Center Ave, 53070
Loan Processing
Oostburg, WI
20 S Business Park Dr, 53070
Cedar Grove Branch
Cedar Grove, WI
10 Phoenix St, 53013
Sheboygan Falls Branch
Sheboygan Falls, WI
1010 Happy Lane, 53085

Where Oostburg State Bank has offices