Turkey
DOMESTIC ACCOUNT NUMBER
Account Number Structure Used in Turkish Interbank Clearing System
9999 99999 XXXXXXXXXXXXXXXXXXX
4 digits 5 digits 19 digits
Identifying Min/max Fills Example
a 9999 Bank Identifier 4/4 n 0 0…
b 99999 Branch Identifier 5/5 n 0 0….
c XXXXXXXXXXXXXXXXXXX Account Nr. 1/19 an
The structure shown above is used in the Electronic Fund Transfer System of the Central Bank of
Turkey (National Clearing and Payment System based on Real Time Gross Settlement-RTGS)
(a) The bank identifier which consists of numeric characters, contains 4 digits and is assigned
and maintained by Central Bank of Turkey.
(b) The branch identifier consists of 5 numeric characters.
(c) The account number may contain both numeric and alphanumeric characters and its content
varies according to the banks. There is no national standard for bank account numbers in
Turkey.
National Name(s)
a 9999 Banka Kodu
b 99999 Şube Kodu
c XXXXXXXXXXXXXXXXXXX Hesap numarası
National Usage
Each bank applies its own number structure.
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Electronic Transmission
9999 99999 XXXXXXXXXXXXXXXXXXX
Bank Identifier + Branch Identifier + Account Number
Example of written representation
Correct Representation Traditional repr. Account Nr. Only
0061012991234567890123456789 0061 01299 1234567890123456789 Each institution formats its
published accounts
differently, with or without
separators
Check algorithm
The check digit algorithm differs from bank to bank.
Customer Support
The number is indicated on : Comments
Documents to customer Mostly
Account statements Always
Debit cards Varies from bank to bank
Cheques Mostly
Commercial documents Dependent to the issuer of the document
ATM receipts Varies from bank to bank
INTERNATIONAL BANK ACCOUNT NUMBER
TR 12 12345 X XXXXXXXXXXXXXXXX TR 33 00061 0 0519786457841326
Identifying Min/max Start Position
a TR ISO Country Code 2/2a 1
b 12 Check Digits 2/2n 3
c 12345 Bank Code 5/5 n 5
d 0 Reserved Field 1 an 10
e XXXXXXXXXXXXXXXX Account Nr. 16/16 an 11
Total 26 an
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Permitted value for reserved field is set to zero.
Presentation
The electronic format of the IBAN is composed of 26 alphanumeric characters. The paper
representation of the IBAN, which is composed of 26 alphanumeric characters, is structured in groups
of 4 characters separated by blanks.
Examples
Electronic Format Paper Format
TR330006100519786457841326 TR33 0006 1005 1978 6457 8413 26
Issuing Start Date
1 st September 2005
Contact Point
Mr. Cahit Sabır –The Banks Association of Turkey
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