The Mayo Post Office is located in the state of South Carolina within Spartanburg County. This location serves 68 Mayo residents with a median income of $0. It's estimated that approximately 109 packages pass through this post office each year.
The Mayo Post Office is located in the state of South Carolina within Spartanburg County. This location serves 68 Mayo residents with a median income of $0. It's estimated that approximately 109 packages pass through this post office each year.