Orange Romania had 10.2 million clients at the end of June, 154,000 more on the year. At the end of 2012, the company registered 10.283 million customers.
Its number of subscribers climbed about 6% over the past 12 months.
Mobile Internet traffic rose 90% in the first half compared with the similar interval a year ago, fueled by higher smartphone sales.
Last year, Orange Romania launched its Long Term Evolution (LTE) network, which enables customers to transfer data at speeds of up to 75 Mbps.
In June, the operator entered the TV service market through Orange TV.