The Colby Post Office is located in the state of Kansas within Thomas County. This location serves 6,502 Colby residents with a median income of $47,150. It's estimated that approximately 10,378 packages pass through this post office each year.
The Colby Post Office is located in the state of Kansas within Thomas County. This location serves 6,502 Colby residents with a median income of $47,150. It's estimated that approximately 10,378 packages pass through this post office each year.