Mr Juri Kadak DataSIM OÜ Narva mnt 13a 10151 Tallinn Estonia Your 25.01.17 Our 01.17 No 23-2/ 17-0231- Confirmation Letter Dear Mr Kadak , Estonian Technical Regulatory Authority confirms that numbering authorisation No. NLN15/1647 for the use of 7000 ( seven thousand ) mobile telephone numbers was issued to the DataSIM LLC (in Estonian DataSIM OÜ) on 17 of April 2015 and as from 30 of January 2017 6997 ( six thousand nine hundred and ninety seven ) mobile telephone numbers are booked by DataSIM LLC in the Estonian Numbering Management Database , including the numbering blocks 372 5411 0001 - 372 5411 0010, 372 5411 0012 - 372 5411 0999, 372 5618 2000 - 372 5618 2181, 372 5618 2183 - 372 5618 2221, 372 5618 2223 - 372 5618 2999. The Numbering Management Database is a database which enables booking or cancellation of booking by single numbers of appropriate type and in the quantity indicated in the numbering authorisation . According to the Estonian law and the conditions of the numbering authorisation numbers must be used for the provision of mobile telephone service in the territory of Estonia and the portability of numbers must be enabled . Furthermore , information about operator single number possession could be found from the address : https://nba.tja.ee/numbriparing.aspx . Yours sincerely , Oliver Gailan Head of the Communications and Media Services Department Kai Remmelkoor +372 667 2077
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