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Only "Bölgə" tariff subscribers can join to unlimited call pack and take an advantage of unlimited on-net calls with Azercell subscribers within a day in regions (the campaign is not valid for Baku and Absheron).
It is required to send any keyword (except STOP) or blank SMS to 2323 or dial *232*1#YES.
Daily subscription fee is 0.40 AZN.
To check the balance: