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Belinda Garza (Postmaster)
belinda.garza@usps.gov
500 W Eisenhower St
Rio Grande City, TX 78582
Rio Grande City, TX 78582
The Rio Grande City Post Office is located in the state of Texas within Starr County. This location serves 40,455 Rio Grande City residents with a median income of $26,354. It's estimated that approximately 64,571 packages pass through this post office each year.