United States Postal Service
CLOSED NOW
Today: 8:15 am - 11:00 am, 12:00 pm - 3:15 pm
Tomorrow: 8:15 am - 11:00 am, 12:00 pm - 3:15 pm
Phone: (605) 286-3922
Fax: (605) 357-4906
Phone: (800) 275-8777
Address: 129 Main St N, Avon, SD 57315
Website: https://www.usps.com/postoffice