Bank routing number ยท La Crosse, Wisconsin
Coulee Bank Routing Number (ABA): 091800374
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The Coulee Bank routing number is 091800374. It is the primary ABA routing transit number on the bank's FFIEC National Information Center record, refreshed here on October 28, 2026.
Coulee Bank at a glance
Its CET1 capital ratio was 11.54% at Q2 2026, above regulatory requirements.
- Total assets, Q2 2026
- $524.4M
- CET1 ratio, Q2 2026
- 11.54%
- Deposit insurance
- FDIC
- Regulator
- FDIC
- Domestic offices
- 8 FDIC institution directory, current count
- Latest call report
- Q2 2026, FFIEC 051
- Established
- 1961
Full financial profile · Is Coulee Bank safe? · Coulee Bank Q3 2026 call report, filed October 27, 2026 (preliminary) · Branch locations
Coulee Bank routing numbers on file
| Routing number | Type | Status | Source |
|---|---|---|---|
| 091800374 | Primary ABA | Active | FFIEC NIC |
Record refreshed here on October 28, 2026. NIC holds one primary number per bank; Coulee Bank publishes any other numbers it uses itself.
What the digits mean
The first two digits, 09, place this number in the Federal Reserve Bank of Minneapolis's district (District 9). Digits five through eight, 0037, identify the institution within that district. The last digit, 4, is a check digit, and the number passes the standard check: weight the nine digits 3, 7, 1, 3, 7, 1, 3, 7, 1 and the sum is a multiple of 10.
Before you send money to Coulee Bank
A routing number tells the payment network which financial institution holds an account. You give it with an account number for ACH transfers through the automated clearing house, such as direct deposit, bill pay and transfers from a checking account, which usually settle in one to two business days. An international wire to a US account normally needs the bank's SWIFT code as well.
Match this number against the one on your Coulee Bank checks or in its online banking. Ask the bank for wire instructions (www.couleebank.net). Our record does not show whether this number receives wires. The Federal Reserve's E-Payments Routing Directory shows it: its Fedwire participant search lists the numbers that can receive Fedwire transfers, and its FedACH search lists those that receive ACH payments. How to confirm any routing number.
About Coulee Bank
Coulee Bank is headquartered in La Crosse, Wisconsin and was established in 1961. It is in the LA CROSSE-ONALASKA, WI-MN metro area. It reported $524.4M in total assets and $428.1M in deposits for Q2 2026, the 65th largest of the 153 banks headquartered in Wisconsin. It reports 8 domestic offices. Its deposits have been FDIC insured since 1961. Its primary federal regulator is the FDIC. 7 other banks and credit unions headquartered in La Crosse have a routing number listed here.
What the digits in 091800374 mean
The first four digits, 0918, are the Federal Reserve routing symbol. The prefix 09 places the number in the 9th Federal Reserve District (Minneapolis). That is also the district where the bank is headquartered. Digits five through eight, 0037, identify the institution within its Federal Reserve district. The last digit, 4, is a check digit. Weighting the digits 3, 7 and 1 in turn gives 3 x 11 + 7 x 16 + 5 = 150, a multiple of 10, so 091800374 is a well-formed routing number. A mistyped digit almost always breaks that sum.
What is the Coulee Bank routing number?
The Coulee Bank routing number is 091800374. It is the primary ABA routing transit number registered to Coulee Bank, headquartered in La Crosse, WI. The number comes from the FFIEC National Information Center institution record, last refreshed here on October 28, 2026.
What is the Coulee Bank wire routing number?
This page lists the primary routing number registered to Coulee Bank. The record does not say whether the bank uses the same number for wire transfers. Confirm the wire routing number with Coulee Bank before sending a wire.
Is ABA number 091800374 the routing number for Coulee Bank?
Yes. It is the primary routing number registered to Coulee Bank.
Which bank uses routing number 091800374?
It belongs to Coulee Bank, headquartered in La Crosse, WI. It is the bank's primary ABA routing number (FDIC certificate 18361).
Routing numbers in La Crosse, WI
- Credit union
- Altra Federal Credit Union: 291881216
- Credit union
- Marine Credit Union: 275977489
- Bank
- Citizens State Bank - La Crosse: 091804833
- Bank
- State Bank Financial: 091800316
- Credit union
- Firefighters Credit Union: 291881122
- Credit union
- Governmental Employees Credit Union: 291881083
- Credit union
- Gundersen Credit Union: 291881177
View Coulee Bank's full profile →
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Regulator records: FDIC BankFind (cert 18361) · FFIEC NIC profile (RSSD 457752)