evanston postcode sa Home ›› Postcode Finder ›› SA ›› Evanston Evanston local listingsThe suburb of Evanston is located in SA and has a postcode of 5116. Free evanston business listing! 1Trinity CollegeMain North Rd 08 852206262Dreamland485 Main North Road 13002337993Gawler High SchoolBarnet Rd 08 85222044 View more business listings in evanston Search and find other Postcodes in South Australia or widen the search to Postcodes in Australia.