Quick answer: A routing number is a 9-digit code used to identify your bank when sending or receiving money. It is required for direct deposits, ACH transfers, bill payments, and wire transfers.
A routing number is a nine-digit code used to identify a specific bank or credit union in the United States. Financial institutions rely on routing numbers to process direct deposits, ACH transfers, bill payments, and wire transfers.
When money moves between banks, the routing number ensures funds are sent to the correct institution.
What is a routing number?
A routing number, also called an ABA routing number, is a standardized identifier assigned to U.S. financial institutions. It tells payment systems exactly which bank should send or receive funds.
Large banks often use multiple routing numbers depending on:
- The state where the account was opened
- The type of transaction (ACH vs wire)
- The specific branch or region
Where to find your routing number
- On a check: The first 9 digits at the bottom
- Online banking: Under account details
- Mobile app: Account information section
- Bank website: Routing number lookup pages
- Customer support: Verified directly with your bank
If you’re unsure, always confirm your routing number through official bank sources to avoid delays.
What routing numbers are used for
- Direct deposit (paychecks, benefits, tax refunds)
- ACH transfers between banks
- Online bill payments
- Wire transfers
- Linking bank accounts to apps
Types of routing numbers
- ACH routing number: Used for electronic transfers and deposits
- Wire routing number: Used for domestic wire transfers
- Check routing number: Printed on checks (usually same as ACH)
Some banks use the same routing number for all transactions, while others use different numbers depending on how money is sent.
Routing number vs account number
A routing number identifies your bank. An account number identifies your specific account within that bank.
Both are required for most financial transactions.
Are routing numbers safe to share?
Routing numbers are generally safe to share because they identify the bank, not your personal account. They are printed on checks and publicly available.
However, your account number should only be shared with trusted and secure sources.
Common routing number mistakes
- Using the wrong routing number for your state
- Using a wire routing number for ACH transfers
- Entering digits incorrectly
- Assuming all accounts use the same routing number
Find your bank’s routing number
- Chase routing number
- PNC routing number
- Wells Fargo routing number
- Bank of America routing number
- Navy Federal routing number