Every corporation formed under the provisions of this chapter, and every corporation formed under the laws of any other state or territory or of the United States, owning or operating lines of telegraph or telephone within this state, shall have power to acquire by purchase such real and other property as may be necessary for the construction, maintenance, and operation of its lines of telegraph or telephone, to hold and use the same, to lease or otherwise dispose of any part or parcel thereof, or sell the same when no longer necessary to its use.
SDCL 49-30-6