Remember how you were saying to yourself "Wouldn't it be great if I could just use one code to do all the business connected to my company's telephone lines at the Corporate Online Customer Services Center, or at 444 0 532, without even using any documents?" Well, your wish has come true, with our "Unique code." From now on, you can use the Unique code to any business concerning your telephone line; and without needing any documents.

What business can you do with your Unique code?

• You can authorize your company's telephones for use outside the country.
• You can do all of your billing business (paid-unpaid bill questions, invoice requests, details from past billing periods, and applications for detailed bills)
• You can receive information about billing rates and other billing information; you can also change your billing system.
• You can learn how many free minutes you have been rewarded from our Kullandikca Kazan program....and much much more.

How do I obtain my Unique code?

• You can obtain your application form for a Unique code at TurkcellExtra or Turkcell Subscription Centers, or by clicking here. The form must be signed by an authorized person from your business, who can then designate at the most two other people to fill out and sign the form. You can download the form necessary to change the designated authorized person receiving the Unique code here..
• The application form for the Unique code can be obtained at any TurkcellExtra or Subscription Center, and can be delivered in person or by mail, with the proper documentation (authorized signature forms and photocopies of company representatives' identity cards) to Çevreyolu Cad. No: 2 (DAİ) 34030 Bayrampaşa-İstanbul.
• After your application is processed, your corporate number and Unique code will be sent to your email address. For the sake of security, your will be asked to change your Unique code on your first visit to our Corporate Online Customer Services Center. Using your new Unique code, you can now enter our Corporate Online Customer Services Center or call our Corporate Customer Services number at 444 0 532 to carry out any business you have without any documents necessary.