seaforth postcode qldga Home ›› Postcode Finder ›› QLDGA ›› Seaforth Seaforth local listingsThe suburb of Seaforth is located in QLD and has a postcode of 4741. Free seaforth business listing! 1Seaforth State SchoolSeaforth Rd Seaforth 07 49590133 View more business listings in seaforth Search and find other Postcodes in Queensland or widen the search to Postcodes in Australia.