List of US Post Office Stores in Manhattan Beach, CA Outlet Note Regular Brands US Post Office California Manhattan Beach Rating 4.5 based on 76 votes Official Website https://www.usps.com/ Products Postal Service NameAddressPhone Name/Address/Phone US Post Office outlet - Manhattan Beach 1007 N Sepulveda Blvd (310) 414-0350 US Post Office outlet - Manhattan Beach 425 15th St, Ste C (310) 414-0350 People Also Viewed