aldgate postcode sa Home ›› Postcode Finder ›› SA ›› Aldgate Aldgate local listingsThe suburb of Aldgate is located in SA and has a postcode of 5154. Free aldgate business listing! 1Aldgate Primary School3 Fairview Rd 08 833923772The Hills Montessori School12 Anderson Rd 08 833968423Bubba Pizza 218 Mount Barker Rd 08 8339 2001 View more business listings in aldgate Search and find other Postcodes in South Australia or widen the search to Postcodes in Australia.