The Area Codes of Australia:
| City/Town or Region | Area code |
| 1. | Ballarat | 0333 (+61333) |
| 2. | Ballarat | 0343 (+61343) |
| 3. | Ballarat | 0353 (+61353) |
| 4. | Batemans Bay, Moruya, Nowra | 0244 (+61244) |
| 5. | Bathurst, Orange | 0253 (+61253) |
| 6. | Bathurst, Orange, Cowra | 0263 (+61263) |
| 7. | Bega, Merimbula, Tathra, Cooma | 0254 (+61254) |
| 8. | Bega, Merimbula, Tathra, Cooma | 0264 (+61264) |
| 9. | Bendigo | 0334 (+61334) |
| 10. | Bendigo | 0344 (+61344) |
| 11. | Bendigo | 0354 (+61354) |
| 12. | Bourke, Dubbo | 0258 (+61258) |
| 13. | Bourke, Dubbo | 0268 (+61268) |
| 14. | Bowral, Crookwell, Goulburn, Marulan | 0238 (+61238) |
| 15. | Bowral, Crookwell, Goulburn, Marulan | 0248 (+61248) |
| 16. | Bridgetown, Bunbury | 0867 (+61867) |
| 17. | Brisbane, Bribie Island | 072 (+6172) |
| 18. | Brisbane, Bribie Island | 073 (+6173) |
| 19. | Broken Hill | 0880 (+61880) |
| 20. | Bullsbrook East, Northam, Pinjarra (Mandurah) | 0855 (+61855) |
| 21. | Bullsbrook East, Northam, Pinjarra (Mandurah) | 0895 (+61895) |
| 22. | Bunbury, Busselton, Bridgetown, Collie | 0897 (+61897) |
| 23. | Bundaberg, Kingaroy | 0741 (+61741) |
| 24. | Bundaberg, Kingaroy | 0743 (+61743) |