Use the Corporate Online Services Center to save time and get easy answers to questions about subscription rates, billing, and other information.

How can you become a subscriber?

Using whichever of the options listed below suits you the best, you can subscribe easily at our Corporate Online Customer Services Center:

• First fill out completely your Unique code Agreement, which you can obtain from our web site, Turkcell Extra, or Turkcell Subscription Centers.
• Don't forget to attach necessary authorized signatures from your business, as well as photocopies of authorized signatories at your business.
• Then bring your subscriber agreement along with the documents referred to above to:
  • The nearest TurkcellExtra or Turkcell Subscription Center near you, or
  • You can post it or bring it in person to: Çevreyolu Caddesi No:2 (DAİ) 34030 Bayrampaşa İstanbul

  After your application has been processed, your corporate and authorized numbers will be sent to your email address, and your unique code will be sent to your registered telephone number. On your first visit to our Online Corporate Services Center, you will be asked to change your unique code, for security purposes. Any further business you have to do at the Online Corporate Services Center will be carried out with your new code.

  Click here to download the Unique code Agreement.

  You can download the form necessary to change the authorized user of the Unique code here.

  To see a list of services offered at the Corporate Online Customer Services Center, click here.