IBAN FAQ
Everything you need to know about International Bank Account Numbers
How to remember your IBAN?
A German IBAN contains 22 characters of letters and numbers. While it might seem daunting to memorize, there are simple techniques to make it easier.
Breaking Down Your IBAN
Country Code (2 characters)
For Germany, it's simply "DE" - easy to remember!
Check Digits (2 numbers)
Associate these with a familiar number like your birth year or house number
Bank Code (8 numbers)
The same 8-digit bank code (BLZ) you've always used
Account Number (10 numbers)
Your existing account number with leading zeros if needed

Visual breakdown of an IBAN's components
Memory Techniques
Chunking Method
Break your IBAN into meaningful chunks: country code, check digit, bank code (BLZ), and account number. It's easier to remember 4 groups than 22 individual characters.
Example: DE45 | 5001 0517 | 5407 3249 21
(Country code + check digits | first half of bank code | second half of bank code + account number)
Rhythm Method
Create a rhythm or tune with your IBAN numbers. Our brains are excellent at remembering musical patterns.
Tip: Pronounce the numbers in groups and emphasize certain digits to create a rhythm. Using the melody of a familiar nursery rhyme can help.
Visual Association
Connect parts of your IBAN to visual images. For example, if your check digit is "42", think of "The Hitchhiker's Guide to the Galaxy."
Example: For "DE89 3704" you could imagine a German (DE) car from '89 traveling at 37.04 mph.
Practice Writing
Write your IBAN by hand several times. The physical act of writing engages motor memory and helps retention.
Practical tip: Write your IBAN once daily for a week. Try to write it once from memory each time, then check it for accuracy.
Advanced Techniques
Number-Word System
Convert numbers to words by assigning each digit pair a consonant and a vowel. This transforms abstract numbers into words that are easier to remember.
Example: "3704" could become "MAKO" (3=M, 7=K, 0=A, 4=O).
Memory Palace
Imagine a familiar place (like your home) and place each IBAN component in specific locations. To remember, mentally "walk" through this place.
Example: Country code at the front door, check digits on the shoe rack, bank code in the living room, account number in the kitchen.
Practical Application Example
Let's take a sample IBAN: DE89 3704 0044 0532 0130 00
Component | Value | Memory Aid |
---|---|---|
Country Code | DE |
Germany - easy! |
Check Digits | 89 |
Think of the year 1989 (Fall of the Berlin Wall) |
Bank Code | 37040044 |
Split into "3704" (a family member's birth year?) and "0044" (44 is easy to remember) |
Account Number | 0532013000 |
Look for patterns: 05-32-01-30-00 (May 3rd, 2013) |
Don't Want to Memorize?
No problem! Here are some alternatives:
- Use our free IBAN Calculator to generate your IBAN anytime
- Check your bank card - most cards have the IBAN printed on them
- Save your IBAN securely in your banking app or password manager
Ready to Get Started?
Use IBANTEST for precise IBAN validation and calculation – reliable and user-friendly.