(Adds analyst estimates, share price)
July 19 (Reuters) - T-Mobile US Inc on Wednesday posted quarterly results that topped analysts' estimates as the No. 3 U.S. wireless carrier gained more phone subscribers who pay a monthly bill, the industry's most valuable customers.
The carrier added 786,000 phone subscribers in the second quarter, up from 646,000 in the year-earlier period. Analysts on average had expected net additions of 607,000, according to research firm FactSet.
T-Mobile's net income rose to $581 million, or 67 cents per share, for the second quarter ended June 30 from $225 million, or 25 cents per share, a year earlier.
Total revenue rose to $10.21 billion from $9.29 billion.
Analysts on average had expected earnings of 38 cents per share on revenue of $9.81 billion, according to Thomson Reuters I/B/E/S.
T-Mobile shares were flat at $62.00 in after-hours trading.
(Reporting by Anjali Athavaley in New York and Aishwarya Venugopal in Bengaluru; Editing by Anil D'Silva and Richard Chang)