Routing Number 275971906

Routing number 275971906 is assigned to Great Midwest Bank S S B, a main office located at 15900 W Bluemound Rd, Brookfield, Wisconsin 53005. This nine-digit ABA routing transit number identifies Great Midwest Bank S S B within the Federal Reserve's Unknown district for processing ACH payments, direct deposits, wire transfers, and check clearing.

The first two digits (27) indicate the Federal Reserve Bank of Unknown, digits 3-4 (59) identify the processing center, digits 5-8 (7190) are the institution identifier, and the final digit (6) is a checksum that validates the entire number using the ABA's modulus-10 algorithm.

To set up direct deposit with Great Midwest Bank S S B, provide your employer with routing number 275971906 along with your account number. Your account number is separate from the routing number and can be found on the bottom of your checks (to the right of the routing number), in Great Midwest Bank S S B's mobile app, or in online banking under account details.

You can verify this routing number on the bottom-left corner of any check from Great Midwest Bank S S B, in the mobile app, or by calling 262-784-4400. Direct deposits using this routing number are processed through the Automated Clearing House (ACH) network and typically post within 1-2 business days.

Routing number 275971906 is registered for ACH transactions at Great Midwest Bank S S B, including direct deposits, bill payments, payroll, and recurring transfers. ACH payments are processed in batches through the Federal Reserve and typically settle in 1-2 business days.

For domestic wire transfers, Great Midwest Bank S S B may use a different routing number. Wire transfers are processed individually through the Fedwire system and settle same-day. Always confirm the correct wire routing number with Great Midwest Bank S S B before initiating a wire — using an ACH routing number for a wire can cause the transfer to be rejected or delayed.

This main office of Great Midwest Bank S S B is located at 15900 W Bluemound Rd, Brookfield, WI 53005. Great Midwest Bank S S B operates in the Federal Reserve's Unknown district, which serves as the regional hub for monetary policy and payment processing in this area.