List of US Post Office Stores in Shenandoah, IA Outlet Note Regular Brands US Post Office Iowa Shenandoah Rating 4.5 based on 76 votes Official Website https://www.usps.com/ Products Postal Service NameAddressPhone Name/Address/Phone US Post Office outlet - Shenandoah 501 W Lowell Ave (712) 246-2703 People Also Viewed