antechamber-bay postcode sa Home ›› Postcode Finder ›› SA ›› Antechamber-Bay Antechamber Bay local listingsThe suburb of Antechamber Bay is located in SA and has a postcode of 5222. Free antechamber bay business listing! Get the first free listing in antechamber bay! Search and find other Postcodes in South Australia or widen the search to Postcodes in Australia.