First Mid Bank & Trust, Galesburg Main Branch at East Main Street, Galesburg Galesburg, IL I bank at first mid Illinois to cash my paychecks only. Get directions, reviews and information for First Mid Bank & Trust - Galesburg in Galesburg, IL. Galesburg, Illinois Routing Number for First Mid Bank & Trust, National Association in Illinois The FDIC Certificate Number for Galesburg Main Branch office of First Mid Bank & Trust, National Association in Galesburg, IL is Fedwire Routing Number: Fedwire Transfer service is the fastest method for transferring funds between business account and other bank accounts. The first four digits identify the Federal Reserve district where the bank is located. It is used for domestic or international transactions in which no cash or check exchange is involved, but the account balance is directly debited electronically and the funds are transferred to another account in real time. Banks offer ACH services for businesses who want to collect funds and make payments electronically in batches through the national ACH network. The next four numbers identify the specific bank. Each routing number is unique to a particular bank, large banks may have more than one routing number for different first mid illinois bank and trust galesburg il. The last number is called as a check digit number which is a confirmation number.