Colorado's first mail and freight service was provided in 1859 by the Leavenworth and Pikes Peak Express. Over 97.4% of the state's occupied housing units had telephones as of 2001. Of the 80 major radio stations in operation in 2003, 23 were AM and 57 FM. The Denver area had cable in 61% of its 1,268,230 television-owning households. A total of 109,775 Internet domain names were registered in Colorado by 2000.