1. US Post Office 5013 Cluster Springs Rd, Alton, VA 24520 Coordinate: 36.59949,-78.97703 Phone: (800) 275-8777
2. United States Postal Service 2041 Blane Rd, Alton, VA 24520 Coordinate: 36.57324,-79.00221 Phone: (800) 275-8777