Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. McNeil is an unincorporated community in Travis County, Texas, United States. Its elevation is 830 feet. Although McNeil is unincorporated, it has a post office, with the ZIP code of 78651. McNeil arose at the junction of two rail lines, being named for a regional manager on the A&N. The community's post office was established in December 1888. The new McNeil High School... Mehr