somerton postcode nswrv Home ›› Postcode Finder ›› NSWRV ›› Somerton Somerton local listingsThe suburb of Somerton is located in NSW and has a postcode of 2340. Free somerton business listing! 1Somerton Public SchoolMilkmaid St 02 67697520 View more business listings in somerton Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.