pennington postcode sa Home ›› Postcode Finder ›› SA ›› Pennington Pennington local listingsThe suburb of Pennington is located in SA and has a postcode of 5013. Free pennington business listing! 1Pennington Junior Primary SchoolHarrison Rd 08 834540722TRUE AIR AIRCONDITIONING SERVICES. 0401 631 3203Pennington Primary SchoolLot 803 Butler Ave 08 84471933 View more business listings in pennington Search and find other Postcodes in South Australia or widen the search to Postcodes in Australia.