Area Codes Australia The Area Codes of Australia: City/Town or Region Area code 1. Deniliquin, Numurkah, Shepparton 0348 (+61348) 2. Deniliquin, Shepparton 0358 (+61358) 3. Derby, Cocos/Keeling Islands, Christmas Islands 0891 (+61891) 4. Devonport, Burnie, Queenstown 0364 (+61364) 5. Devonport, Burnie, Queenstown 0365 (+61365)