List of US Post Office Stores in Covina, CA Outlet Note Regular Brands US Post Office California Covina Rating 4.5 based on 76 votes Official Website https://www.usps.com/ Products Postal Service NameAddressPhone Name/Address/Phone US Post Office outlet - Covina 110 E Front St (217) 677-2211 US Post Office outlet - Covina 545 N Rimsdale Ave (800) 275-8777 US Post Office outlet - Covina 170 E College St (626) 339-9125 US Post Office outlet - Covina 1037 N Grand Ave (626) 331-3331 People Also Viewed