Comcast announced Tuesday that it has activated Xfinity WiFi hotspots in the subway platform areas on the MBTA's Green Line, from North Station to Kenmore.

Comcast is the first provider to offer WiFi in portions of the first subway line to open in the United States.

Xfinity WiFi is available in the following Green Line station platforms: North Station, Haymarket, Park Street, Boylston, Arlington, Copley, Prudential, Symphony, Hynes Convention Center and Kenmore, as well as dozens of other outdoor station platforms on the B, C, D and E branches of the Green Line.

NECN is owned by Comcast Corporation