The Petrolia Post Office is located in the state of Texas within Clay County. This location serves 802 Petrolia residents with a median income of $46,563. It's estimated that approximately 1,280 packages pass through this post office each year.
The Petrolia Post Office is located in the state of Texas within Clay County. This location serves 802 Petrolia residents with a median income of $46,563. It's estimated that approximately 1,280 packages pass through this post office each year.