ACH Routing Number Validator
ACH Routing Number Validator
Verify US bank routing numbers for secure international transactions
Validate Routing Number
Enter the 9-digit US bank routing number to validate
Validation Results
Validating…
Checking routing number validity
Bank Information
Bank Name
Federal Reserve Bank
Technical Details
Validation Steps
Format Check
Routing number contains exactly 9 digits
Check Digit Validation
Modulus 10 algorithm verification passed
Federal Reserve District
Valid Federal Reserve district identified
⚠ Important for DeyWithMe Users
- Always verify routing numbers before initiating international transfers to the US
- Incorrect routing numbers can cause delays or failed transactions
- Contact your bank if you’re unsure about any routing number details
- Double-check with the recipient for the correct routing number
How Routing Numbers Work
Federal Reserve District
First 4 digits identify the Federal Reserve district and processing center
ABA Institution
Next 4 digits identify the specific bank or financial institution
Check Digit
Last digit is a checksum for validation using modulus 10 algorithm
