Home Postcodes by state SA 5070 Postcode 5070 5070 is the postcode for 9 localities in SA: Felixstow, Firle, Glynde, Joslin, Marden, Payneham and 3 more. Localities with postcode 5070FelixstowSAFirleSAGlyndeSAGlynde PlazaSAJoslinSAMardenSAPaynehamSAPayneham SouthSARoyston ParkSA Postcode 5070 State or territory South Australia (SA) Localities 9 Council area Norwood Payneham and St Peters Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 5069 · Postcode 5072