U.S. carrier Sprint today reported operating results for the first fiscal quarter of 2014, including net income of $23 million and consolidated operating income of $519 million, the highest in more than seven years. Adjusted EBITDA of $1.83 billion grew 30 percent over the prior year period.

According to Sprint, its replacement of entire 3G and voice network is largely complete and network performance metrics continue to improve. Sprint also hit its mid-year target for 4G LTE coverage, as the company now covers approximately 254 million people in 488 cities across the country including Pittsburgh and Buffalo, N.Y., which launched today.

Sprint HD Voice service is also now available nationwide. Over 16 million customers currently have HD Voice-enabled devices.

The deployment of Sprint Spark, an combination of advanced network and device technology that leverages the company’s 800MHz, 1.9GHz and 2.5GHz spectrum, continues to progress and is now available in 27 markets across the country. Twenty-two Sprint Spark-capable devices are currently available, including the recently launched Samsung Galaxy S 5 Sport, LG G3, and HTC One (M8) Harman/Kardon edition.