T-Mobile US, Inc. and Crown Castle International Corp. announced that the companies have signed a new 12-year agreement to support the continued build-out of T-Mobile's nationwide 5G network with increased access to Crown Castle's towers and small cell locations. The agreement enables the Un-carrier to further expand and deepen the reach of its 5G network to serve consumers across the U.S. while also realizing financial synergies following its merger.

The agreement also helps Crown Castle generate long-term tower and small cell revenue growth.