AMERICAN EXPRESS NATIONAL BANK Routing Numbers — All States

Browse AMERICAN EXPRESS NATIONAL BANK's 2 routing numbers across 1 state. Select your state to find the correct 9-digit ABA routing number for ACH transfers, direct deposits, wire transfers, and check payments.

Updated Jun 2026 AMERICAN EXPRESS NATIONAL BANK ABA Official Data Live Data
2 Routing Numbers
1 States Covered
ACH · Wire Transfer Systems
ABA Registered Bank
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AMERICAN EXPRESS NATIONAL BANK Routing Numbers — Complete State Directory

AMERICAN EXPRESS NATIONAL BANK is registered with the American Bankers Association (ABA) and participates in the US ACH and Fedwire payment networks across 1 states. Every ABA routing number is a unique 9-digit code that identifies AMERICAN EXPRESS NATIONAL BANK (or a specific state office of AMERICAN EXPRESS NATIONAL BANK) within the Federal Reserve's payment infrastructure. BankZop's AMERICAN EXPRESS NATIONAL BANK routing number directory covers all 2 active routing records, sourced from the official ABA routing registry and the Federal Reserve E-Payments Routing Directory.

You need the correct AMERICAN EXPRESS NATIONAL BANK routing number whenever you set up direct deposit for payroll, register your account for ACH bill payments, provide banking details for tax refunds, or initiate a domestic wire transfer. Selecting the wrong routing number — particularly for a different state — can result in rejected transactions or delayed payments.

What is the Routing Number for AMERICAN EXPRESS NATIONAL BANK?

AMERICAN EXPRESS NATIONAL BANK has 2 routing numbers registered across 1 states. Unlike smaller community banks that operate with a single routing number nationwide, large institutions like AMERICAN EXPRESS NATIONAL BANK maintain state-specific routing numbers — a legacy of the regional banking structure established when the ABA routing system was created in 1910. Your AMERICAN EXPRESS NATIONAL BANK routing number is determined by the state where your account was originally opened, not your current address.

The 9-digit ABA routing number encodes three components: the Federal Reserve district (digits 1–4), the ABA institution identifier (digits 5–8), and a mathematical check digit (digit 9) that allows computers to instantly detect entry errors. Select your state above to find the exact routing number for AMERICAN EXPRESS NATIONAL BANK in your state.

How to Find Your AMERICAN EXPRESS NATIONAL BANK Routing Number

BankZop provides the fastest way to find the correct AMERICAN EXPRESS NATIONAL BANK routing number for your state. Use the drill-down above:

  • Step 1 — Select State: Choose the state where your AMERICAN EXPRESS NATIONAL BANK account was opened from the list above. Use the filter box to find your state instantly.
  • Step 2 — Select City: After selecting your state, choose the city associated with your AMERICAN EXPRESS NATIONAL BANK routing number.
  • Step 3 — Select Number: Pick the specific routing number from the list for that city.
  • Step 4 — View Result: The result page displays the full 9-digit routing number with a one-click Copy button, along with the bank name, address, city, state, ZIP, and phone number.

Alternatively, your AMERICAN EXPRESS NATIONAL BANK routing number is printed at the bottom-left of any personal check in the MICR line — it is always the first 9-digit sequence. You can also find it in your AMERICAN EXPRESS NATIONAL BANK online banking under Account Details, on your monthly statement, or by calling AMERICAN EXPRESS NATIONAL BANK's customer service number printed on the back of your debit card.

When You Need the AMERICAN EXPRESS NATIONAL BANK Routing Number

Direct Deposit Setup

When setting up payroll direct deposit, IRS tax refunds, Social Security benefits, or any other recurring payment to your AMERICAN EXPRESS NATIONAL BANK account, you must provide your routing number alongside your account number. Your employer or the paying agency uses these details to initiate an ACH credit that deposits funds directly into your account on the scheduled date. Use the correct state-specific AMERICAN EXPRESS NATIONAL BANK routing number — the one assigned to the state where your account was opened.

ACH Transfers and Bill Payments

ACH is the backbone of US electronic payments — used for online bill payments, subscription services, peer-to-peer transfers, and business payroll. When you authorise a company to debit your AMERICAN EXPRESS NATIONAL BANK account electronically, you provide the AMERICAN EXPRESS NATIONAL BANK routing number and your account number. The ACH network, governed by NACHA, uses the routing number to direct the debit or credit to the correct financial institution. Standard ACH settles in 1–2 business days; Same Day ACH settles same-day for transactions submitted before the cut-off.

Domestic Wire Transfers

Domestic wire transfers move funds in real time through the Federal Reserve's Fedwire system and settle on the same business day. Important: AMERICAN EXPRESS NATIONAL BANK may use a different routing number for wire transfers than for ACH. Always confirm the correct wire routing number with AMERICAN EXPRESS NATIONAL BANK's wire department before initiating a wire — using the ACH routing number for a wire transfer may cause it to be rejected or delayed. For international wire transfers, you need the AMERICAN EXPRESS NATIONAL BANK SWIFT/BIC code instead of the routing number.

Check Payments

The routing number printed on your AMERICAN EXPRESS NATIONAL BANK checks is the same as your ACH routing number. When you write a check, the routing number in the MICR line at the bottom allows the Federal Reserve's check clearing system to identify AMERICAN EXPRESS NATIONAL BANK as the paying bank and route the check back for settlement. Paper check processing has declined significantly with ACH adoption, but routing numbers remain essential for check payment infrastructure.

AMERICAN EXPRESS NATIONAL BANK Routing Number vs Account Number — Key Differences

These two numbers are always required together for any ACH or wire transaction. They are easy to confuse — here is exactly how they differ:

Feature AMERICAN EXPRESS NATIONAL BANK Routing Number AMERICAN EXPRESS NATIONAL BANK Account Number
Identifies AMERICAN EXPRESS NATIONAL BANK as the institution Your specific account at AMERICAN EXPRESS NATIONAL BANK
Length Always 9 digits Varies (typically 10–12 digits)
On a Check Bottom-left, first sequence Bottom-center, second sequence
Shared? Same for all accounts in your state Unique to your individual account

Never share your account number more than necessary — it gives access to your specific account. Your routing number is public information (all AMERICAN EXPRESS NATIONAL BANK customers in your state share it), but your account number must be protected. For international transfers, neither the routing number nor account number is sufficient alone — you also need the AMERICAN EXPRESS NATIONAL BANK SWIFT code.

AMERICAN EXPRESS NATIONAL BANK Routing Numbers by State

AMERICAN EXPRESS NATIONAL BANK operates across 1 US states with 2 routing numbers registered in the ABA directory. Click any state below to browse routing numbers directly:

Routing number counts reflect active ABA records as of Jun 2026. Data sourced from the Federal Reserve E-Payments Routing Directory.

To find routing numbers for other banks, visit the Routing Number Lookup homepage. For international wire transfers, use the SWIFT Code Lookup. For Indian bank transfers, use the IFSC Code Lookup. To calculate loan repayments, try the free EMI Calculator.

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

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Frequently Asked Questions — AMERICAN EXPRESS NATIONAL BANK Routing Numbers