Bank of Sun Prairie Routing Number

What is an ABA routing number?

An ABA routing number, also called a routing transit number (RTN), is a 9-digit code that identifies a U.S. financial institution in the payment system. It tells ACH transfers, Fedwire payments, and paper checks which bank to route money to. The format was created by the American Bankers Association in 1910 and is still the backbone of U.S. domestic payments.

What is the difference between a routing number and an account number?

Your routing number identifies the bank; your account number identifies your specific account at that bank. On a paper check, the routing number is the 9-digit number in the bottom-left, and the account number is to its right.

What is the Bank of Sun Prairie routing number?

The Bank of Sun Prairie routing number is 075903446. It is the primary ABA routing transit number registered to Bank of Sun Prairie, headquartered in Sun Prairie, WI. A bank can hold more than one routing number, so this is the one on record for the institution, not necessarily the one printed on every check. The number comes from the FFIEC National Information Center institution record, last refreshed here on October 8, 2026.

What is the Bank of Sun Prairie wire routing number?

This page lists 075903446, the primary routing number registered to Bank of Sun Prairie. The record does not say whether the bank uses the same number for wire transfers, and many banks use a separate routing number for domestic wires. Confirm the wire routing number with Bank of Sun Prairie before sending a wire.

Is ABA number 075903446 the routing number for Bank of Sun Prairie?

Yes. ABA number 075903446 is the primary routing number registered to Bank of Sun Prairie. Check it against the routing number on a check or in your online banking before sending an ACH payment, because a bank can use different numbers by region or product.

Which bank uses routing number 075903446?

Routing number 075903446 belongs to Bank of Sun Prairie, headquartered in Sun Prairie, WI. It is the bank's primary ABA routing number (FDIC certificate 13565).

Routing numbers of similar-size institutions in Wisconsin

Bank, Madison, WI

DMB Community Bank: 075910484

Bank, New Glarus, WI

The Bank of New Glarus: 075903912

Bank, Elroy, WI

Royal Bank: 075903116

Bank, Columbus, WI

Farmers & Merchants Union Bank: 075902670

Bank, Hager City, WI

Hiawatha National Bank: 091809362

Credit union, Sheboygan, WI

Kohler Credit Union: 275978417

Bank, Waukesha, WI

Westbury Bank: 275971825

Bank, Berlin, WI

Fortifi Bank: 075902007

All routing numbers in Wisconsin