List of US Post Office Stores in Bald Knob, AR Outlet Note Regular Brands US Post Office Arkansas Bald Knob Rating 4.5 based on 76 votes Official Website https://www.usps.com/ Products Postal Service NameAddressPhone Name/Address/Phone US Post Office outlet - Bald Knob 100 N Main St (501) 724-3259 People Also Viewed