List of US Post Office Stores in Fort Irwin, CA Outlet Note Regular Brands US Post Office California Fort Irwin Rating 4.5 based on 76 votes Official Website https://www.usps.com/ Products Postal Service NameAddressPhone Name/Address/Phone US Post Office outlet - Fort Irwin 306 Lankford Lake Rd # 306 (760) 380-3451 People Also Viewed