Routing Number Validator
Instantly validate any US bank routing code using the ABA checksum algorithm.
Validate Routing Number
Validator Features
ABA Algorithm
Accurate validation using the official American Bankers Association algorithm
100% Secure
Local validation in your browser. Your data never leaves your device
Instant
Immediate results without registration or downloads
What is a Routing Number?
The ABA Routing Number is a 9-digit code that identifies US banks for electronic transfers.
Code Structure:
- XXDigits 1-2: Federal Reserve District
- XXXXXXDigits 3-8: Unique bank identifier
- XDigit 9: Check digit (checksum)
Common Uses:
- • ACH Transfers
- • Checks and money orders
- • Wire transfers
- • Direct deposits
- • Automatic payments
Routing Number Examples
Bank of America
All
026009593Chase Bank
All
021000021Wells Fargo
All
121000248Citibank
All
021000089Need to search for a specific bank?
Use our search tool to find any bank or routing number