Post office in Sun (LA) Find any Post office in Sun, LA. Addresses, phone numbers, working hours and other information. Quick go: All categories of companies Cemetery Church Doctor Establishment Finance Food Health Local government office Meal takeaway Movie rental Place of worship Post office Sun Postal Service Establishment, Finance, Post office 30034 Highway 16, Sun, LA 22083 985-886-3136 postofficeshours.com Categories of companies All categories Cemetery Church Doctor Establishment Finance Food Health Local government office Meal takeaway Movie rental Place of worship Post office