BMO HARRIS BANK N.A. FORMERLY KNOWN AS M AND I BANK MILWAUKEE, WI SWIFT Code

Authorized BIC for United States Operations

Data Verified May 2026 Updated

Verified SWIFT-BIC Network

MARLUS44

* ISO-9362 Standardized Business Identifier Code

Branch Authority

This specific code is assigned to BMO HARRIS BANK N.A. FORMERLY KNOWN AS M AND I BANK for their operations in MILWAUKEE, WI. It serves as a digital address for the Global Interbank Financial Telecommunication network.

Technical Database Record

ID: 073c4045fd50005fee7fc53b81e07203
Official Entity BMO HARRIS BANK N.A. FORMERLY KNOWN AS M AND I BANK
SWIFT / BIC MARLUS44
Branch Allocation S44
ISO Country United States (US)
Postal Jurisdiction MILWAUKEE, WI, Central Zone
Full Physical Address 770 NORTH WATER STREET

Detailed Guide: Using BMO HARRIS BANK N.A. FORMERLY KNOWN AS M AND I BANK SWIFT Code for Global Transfers

When dealing with international finance, precision is paramount. The MARLUS44 Business Identifier Code (BIC) is the exclusive digital signature for BMO HARRIS BANK N.A. FORMERLY KNOWN AS M AND I BANK located in MILWAUKEE, WI. Without this precise string of characters, your international wire transfer could be delayed, routed to the wrong intermediary, or returned with significant banking fees.

1. Understanding the 11-Character Logic

The code MARLUS44 is not a random sequence. It follows a strict ISO-9362 hierarchy that tells the global financial system exactly where your money needs to land:

  • MARL: The Bank Code representing BMO HARRIS BANK N.A. FORMERLY KNOWN AS M AND I BANK globally.
  • US: The Country Code, identifying that the bank is regulated under United States laws.
  • 44: The Location Code, usually pointing to the MILWAUKEE, WI hub.
  • XXX: The Branch Code, specifying this exact physical office.

2. How to Receive Money in MILWAUKEE, WI

If you are a resident or business owner in MILWAUKEE, WI, you must provide the following information to your international sender. For transactions involving BMO HARRIS BANK N.A. FORMERLY KNOWN AS M AND I BANK, ensure these fields are filled accurately in the MT103 (SWIFT Message Type):

Field Name Required Value
Beneficiary Name Your Full Legal Name
Account Number IBAN or Regional Account Format
BIC/SWIFT MARLUS44
Destination Bank BMO HARRIS BANK N.A. FORMERLY KNOWN AS M AND I BANK
Branch Location MILWAUKEE, WI, United States

3. Potential Fees & Intermediary Banking

It is important to note that a transfer to BMO HARRIS BANK N.A. FORMERLY KNOWN AS M AND I BANK might not be direct. Depending on the relationship between your sender's bank and the US banking system, an "Intermediary Bank" might be involved. These banks may deduct a "Handling Fee" ranging from $15 to $50. Always ask your sender to choose the OUR instruction if they wish to cover all costs, or SHA to share the fees with you.

4. Frequently Asked Questions (Verified Answers)

What happens if I use the Head Office SWIFT instead of the MILWAUKEE, WI branch code?

In most cases, BMO HARRIS BANK N.A. FORMERLY KNOWN AS M AND I BANK will automatically route the funds to your account based on your Account Number/IBAN. However, using the local MARLUS44 is recommended for faster processing and lower risk of manual intervention.

Is MARLUS44 the same as a Routing Number?

No. Routing numbers are primarily used for domestic transfers within the USA. For international transfers to United States, the SWIFT code is the standard identifier used by the global banking network.

How can I verify if this code is still active?

The code MARLUS44 for BMO HARRIS BANK N.A. FORMERLY KNOWN AS M AND I BANK is part of the latest directory update. We periodically refresh our database to ensure all codes for MILWAUKEE, WI are compliant with current financial standards.

Note: Financial data changes. While MARLUS44 is verified for BMO HARRIS BANK N.A. FORMERLY KNOWN AS M AND I BANK, always perform a small test transfer for high-value transactions. This resource is for educational purposes regarding the banking infrastructure in MILWAUKEE, WI, United States.

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On this page:
  • Verified SWIFT Code
  • Branch Physical Address
  • BIC Structure Analysis
  • Transfer Fee Guide