AMERICAN TRUST & SAVINGS B Routing Number in DUBUQUE, IA

1 AMERICAN TRUST & SAVINGS B routing number found in DUBUQUE, IA. Click any routing number to view full details — for ACH transfers, direct deposits, and wire payments.

Updated Jun 2026 AMERICAN TRUST & SAVINGS B DUBUQUE, IA Live Data
1 Routing Number
ABA Verified Data
ACH · Wire Payment Systems
9-digit ABA Format

AMERICAN TRUST & SAVINGS B — DUBUQUE, IA — Select Routing Number

1 routing number

AMERICAN TRUST & SAVINGS B Routing Number in DUBUQUE, IA

AMERICAN TRUST & SAVINGS B has 1 routing number registered in DUBUQUE, IA with the American Bankers Association (ABA) and the Federal Reserve E-Payments Routing Directory. Each 9-digit routing number uniquely identifies AMERICAN TRUST & SAVINGS B's DUBUQUE processing location within the US payment network. BankZop sources all routing data directly from official ABA records — click any routing number above to view its full details and copy it instantly.

The AMERICAN TRUST & SAVINGS B routing number for DUBUQUE, IA is used for setting up direct deposits, authorising ACH payments, initiating domestic wire transfers, and check processing. Always use the specific routing number assigned to the location where your account was opened.

What to Do After Finding the AMERICAN TRUST & SAVINGS B DUBUQUE Routing Number

  • Direct deposit: Provide the 9-digit routing number along with your account number to your employer's payroll system, the IRS (for tax refunds), or any government benefit agency.
  • ACH bill payment: Enter the routing number when setting up electronic payments to utilities, insurance providers, or subscription services that debit your AMERICAN TRUST & SAVINGS B account.
  • Wire transfer: Confirm with AMERICAN TRUST & SAVINGS B's wire department whether this ABA routing number applies to wire transfers — many banks use a different wire routing number.
  • Check verification: Cross-check the routing number printed at the bottom-left of your AMERICAN TRUST & SAVINGS B check against the number shown here to confirm accuracy.

Why AMERICAN TRUST & SAVINGS B May Have This Routing Number in DUBUQUE

AMERICAN TRUST & SAVINGS B uses a single routing number for DUBUQUE, IA — assigned by the ABA to identify this specific AMERICAN TRUST & SAVINGS B processing location within the Federal Reserve's payment system. This 9-digit code is what routes ACH debits, credits, and wire transfers to the correct AMERICAN TRUST & SAVINGS B office for settlement.

ACH vs Wire Transfer — Which Routing Number to Use

This is one of the most common questions about AMERICAN TRUST & SAVINGS B DUBUQUE routing numbers:

Transfer Type Routing Number Settlement
Direct Deposit / ACH ABA routing number (this page) 1–2 business days (same day for Same Day ACH)
Domestic Wire Transfer Confirm with AMERICAN TRUST & SAVINGS B directly — may differ Same business day (real-time via Fedwire)
International Wire SWIFT/BIC code required — find it here 1–5 business days

About AMERICAN TRUST & SAVINGS B in DUBUQUE, IA

AMERICAN TRUST & SAVINGS B serves customers in DUBUQUE, IA through its local banking network. The routing number listed on this page are the ABA-registered identifier for AMERICAN TRUST & SAVINGS B's DUBUQUE operations — used by the Federal Reserve's payment infrastructure to route ACH and wire transactions to the correct financial institution.

To browse AMERICAN TRUST & SAVINGS B routing numbers in other cities in IA, visit the AMERICAN TRUST & SAVINGS B IA directory. For all AMERICAN TRUST & SAVINGS B states, see the AMERICAN TRUST & SAVINGS B routing number directory. For international transfers, use the SWIFT Code Lookup. For Indian bank transfers, use the IFSC Code Lookup.

Data sourced from the American Bankers Association (ABA) and the Federal Reserve E-Payments Routing Directory. Last reviewed Jun 2026 by BankZop Editorial Team.

Frequently Asked Questions — AMERICAN TRUST & SAVINGS B Routing Numbers in DUBUQUE