A tax number is the essential ID number for each registration and financial transaction in Turkey. A Tax Identification Number is a ten-digit number assigned to individuals.
Foreigners should have a tax number for; opening a bank account, buying a property, subscribing for utility services, issuing insurance, getting health services, doing notarial processes, applying for residence permits, etc.
Note: Now you can get your Tax ID Number online using the following link
The regular way of getting a Tax ID Number is as follows:
Getting a Tax ID number is an easy application. You should go to any local tax office and apply for it. The only documents you need for this transaction are “your original passport” and “copy of your passport”. Registration is free of charge. After registration, your tax number is also monitored at the screens of all Turkish financial institutions including banks, which means you will be able to open a bank account, too.
You can visit any Tax Office (Vergi Dairesi) in your area to be able to obtain the Tax Number.
This transaction usually takes around fifteen minutes. After you receive your tax ID number, you can open your bank account and carry out your official transactions.