List of US Post Office Stores in Pico Rivera, CA Outlet Note Regular Brands US Post Office California Pico Rivera Rating 4.5 based on 76 votes Official Website https://www.usps.com/ Products Postal Service NameAddressPhone Name/Address/Phone US Post Office outlet - Pico Rivera 9240 Slauson Ave (562) 949-0493 US Post Office outlet - Pico Rivera 9160 Whittier Blvd (800) 275-8777 US Post Office outlet - Pico Rivera 6320 Passons Blvd (562) 942-0168 People Also Viewed