Bank Routing Number

Barclays Bank Delaware Routing Number

The primary ABA routing number (RTN) for Barclays Bank Delaware, Wilmington, DE is shown below.

Primary ABA / RTN

031101127

Verify before you send money. This is the bank's primary registered routing number, taken from the FFIEC National Information Center institution record (last refreshed here on October 8, 2026). Banks often use a different routing number for wire transfers than for ACH, and large banks vary it by region; always confirm the correct number on a check or with your bank before initiating a transfer.

What is an ABA routing number?

An ABA routing number, also called a routing transit number (RTN), is a 9-digit code that identifies a U.S. financial institution in the payment system. It tells ACH transfers, Fedwire payments, and paper checks which bank to route money to. The format was created by the American Bankers Association in 1910 and is still the backbone of U.S. domestic payments.

What is the difference between a routing number and an account number?

Your routing number identifies the bank; your account number identifies your specific account at that bank. On a paper check, the routing number is the 9-digit number in the bottom-left, and the account number is to its right.

What is the Barclays Bank Delaware routing number?

The Barclays Bank Delaware routing number is 031101127. It is the primary ABA routing transit number registered to Barclays Bank Delaware, headquartered in Wilmington, DE. A bank can hold more than one routing number, so this is the one on record for the institution, not necessarily the one printed on every check. The number comes from the FFIEC National Information Center institution record, last refreshed here on October 8, 2026.

What is the Barclays Bank Delaware wire routing number?

This page lists 031101127, the primary routing number registered to Barclays Bank Delaware. The record does not say whether the bank uses the same number for wire transfers, and many banks use a separate routing number for domestic wires. Confirm the wire routing number with Barclays Bank Delaware before sending a wire.

Is ABA number 031101127 the routing number for Barclays Bank Delaware?

Yes. ABA number 031101127 is the primary routing number registered to Barclays Bank Delaware. Check it against the routing number on a check or in your online banking before sending an ACH payment, because a bank can use different numbers by region or product.

Which bank uses routing number 031101127?

Routing number 031101127 belongs to Barclays Bank Delaware, headquartered in Wilmington, DE. It is the bank's primary ABA routing number (FDIC certificate 57203).

Routing numbers in Wilmington, DE

Bank: PNC Bank, N.A.: 043000096
Bank: TD Bank, N.A.: 031101266
Bank: Santander Bank, N.A.: 011075150
Bank: TD Bank USA, N.A.: 031101347
Bank: Wilmington Savings Fund Society, FSB: 031100102
Bank: Comenity Bank: 031101282
Bank: U.S. Bank Trust N.A.: 031050809
Bank: Wilmington Trust, N.A.: 022313005

All routing numbers in Delaware

View Barclays Bank Delaware's full profile →

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Regulator records: FDIC BankFind (cert 57203) · FFIEC NIC profile (RSSD 2980209)