The operator, which is 51 per cent owned by French media conglomerate Vivendi, managed to increase its revenues from the Moroccan market at the slower rate of 12.7 per cent.
The company generated revenues of MAD4.6bn ($629m) in the April to June quarter of this year, compared with MAD4.1bn during the same period in 2007.
Maroc Telecom’s subsidiary in Mauritania saw its number of mobile phone customers increase by 32 per cent from 770,000 a year ago to just over 1 million at the end of June.
However, Mauritel’s revenues increased by just 3.3 per cent from MAD211m a year ago to MAD218m.
Maroc Telecom’s net profits for the April to June quarter will be disclosed when Vivendi publishes its financial results on 31 July.