allingham postcode qldga Home ›› Postcode Finder ›› QLDGA ›› Allingham Allingham local listingsThe suburb of Allingham is located in QLD and has a postcode of 4850. Free allingham business listing! 1Forrest Beach State School40 Pandanus St 07 47981333 View more business listings in allingham Search and find other Postcodes in Queensland or widen the search to Postcodes in Australia.