FDIC-insured bank

Farmers and Merchants Union Bank

Bank headquartered in Columbus, Wisconsin, part of JEWEL BOX FINL SERVICES INC.
Source: FDIC BankFind Suite, data as of June 30, 2026, fetched September 5, 2026
Total assets
$872.15 million
Total deposits
$751.95 million
Branches
13
FDIC-insured since
1934
Established
1861

Headquarters and contact

Address159 W James St
Columbus, WI 53925
CountyColumbia
Metro areaMadison, WI
WebsiteWWW.FMUB.BANK
Phonenot published in FDIC data, see the bank's website

FDIC record

FDIC Certificate14445
Federal Reserve RSSD ID51842
StatusActive
Charter classNM (STATE)
Holding companyJEWEL BOX FINL SERVICES INC
Domestic offices13
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.FMUB.BANK.
See how your odds compare before you apply at Farmers and Merchants Union Bank.

Offices nearest to headquarters

Farmers And Merchants Union Bank main office
Columbus, WI
159 W James St, 53925
Industrial Drive Branch
Columbus, WI
104 Industrial Dr, 53925
Farmers & Merchants Union Bank Branch
Fall River, WI
637 S Main St, 53932
American Bank Of Beaver Dam Branch
Beaver Dam, WI
115 Front St, 53916
Northside Branch
Beaver Dam, WI
1519 N Spring St, 53916
Rio Branch
Rio, WI
575 S Lowville Rd, 53960
The American National Bank Branch
Beaver Dam, WI
120 Frances Ln, 53916
Friesland Branch
Friesland, WI
114 W Winnebago St, 53935
New Juneau Branch
Juneau, WI
198 North Western Avenue, 53039
Lodi Branch
Lodi, WI
220 N Main St, 53555
Janesville Branch
Janesville, WI
1101 N Parker Dr, 53545
Wisconsin River Bank Branch
Sauk City, WI
608 Phillips Blvd, 53583
13 offices in total. Browse them by city through the state pages.

Where Farmers and Merchants Union Bank has offices