Patricia Mahlmann (Postmaster)
patricia.a.mahlmann@usps.gov
19431 Highway 30
Shiro, TX 77876
Shiro, TX 77876
The Shiro Post Office is located in the state of Texas within Grimes County. This location serves 197 Shiro residents with a median income of $25,000. It's estimated that approximately 314 packages pass through this post office each year.