Belen M Aguilar (Postmaster)
belen.m.aguilar@usps.gov
107 E Us Highway 90
Marathon, TX 79842
Marathon, TX 79842
The Marathon Post Office is located in the state of Texas within Brewster County. This location serves 498 Marathon residents with a median income of $35,000. It's estimated that approximately 795 packages pass through this post office each year.