Missouri - Area of significance: Communications
| Beaumont Telephone Exchange Building |
| Bell Telephone Building |
| Disney, Walt, House, and Garage |
| Greystone-Meissner, Gustave, House |
| Hiland Telphone Exchange Building |
| Jenkins Music Company Building |
| Kansas City, Missouri Western Union Telegraph Building |
| King's Hill Archeological Site |
| McConahay Building |
| Patee, John, House |
| Pony Express Stables |
| Quincy, Missouri, and Pacific Railroad Station |
| Rocheport |
| Southeast Missourian Building |
| Southwestern Bell Administration Building |
| Southwestern Bell Repeater Station-Wright City |
| Sowers, Peter J., House |
| S.S. Cyril and Methodius Historic District |
| St. Louis Post-Dispatch Building |
| St. Louis Post-Dispatch Rotogravure Printing Plant |
| University City Plaza |
| Waddell House |
| Western Electric-Southwestern Bell Telephone Distribution House |
| Western Newspaper Union Building |
| Wilson's Creek National Battlefield |
Data from United States Park Service and Wikidata