77418 is a Postal Code in Austin County.
- 77418 a.k.a. Glyptostoma is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Megomphicidae.
- 77418 a.k.a. Cowboy G-Men is an American Western series that aired in syndication from September 1952 to June 1953, for a total of thirty-nine episodes.