Comcast Corp , the No. 1 U.S. cable operator, posted higher-than-expected quarterly profit on Wednesday, as it added Internet and phone subscribers.

First-quarter net income rose to $866 million, or 31 cents a share, from $772 million, or 27 cents a share, a year earlier. Revenue rose 3.8 percent to $9.2 billion.

Analysts expected profit of 30 cents on revenue of $9.15 billion, according to Thomson Reuters I/B/E/S.

The Philadelphia-based cable company added a 399,000 high-speed Internet subscribers and 273,000 new phone customers.

Collins Stewart analyst Thomas Eagan had forecast 282,000 new Internet subscribers and 244,000 phone additions.

Comcast lost 82,000 basic video customers during the quarter. Eagan had expected Comcast to lose 115,000.

(Reporting by Yinka Adegoke; Editing by Derek Caney)