swansea postcode nswbu Home ›› Postcode Finder ›› NSWBU ›› Swansea Swansea local listingsThe suburb of Swansea is located in NSW and has a postcode of 2281. Free swansea business listing! 1Dentist for chickensSwansea NSW, Australia 490 013 6412Dentist For ChickensNewcastle 02498321773St Patrick's Primary School213 Northcote Ave 02 49711560 View more business listings in swansea Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.