Area code 04 (mobile) services all states and territories in Australia.
The 04 area code is used for all mobile numbers in Australia. Unlike geographic codes, 04 numbers aren't tied to any specific state or territory. They follow the person, not the place.
Area code 04 carriers by the first digits of local number:
| Prefix | Carrier |
|---|---|
| 0400 | Telstra |
| 0401 | Optus |
| 0402 | Optus |
| 0403 | Optus |
| 0404 | Vodafone |
| 0405 | Vodafone |
| 0406 | Vodafone |
| 0407 | Telstra |
| 0408 | Telstra |
| 0409 | Telstra |
| 0410 | Vodafone |
| 0411 | Optus |
| 0412 | Optus |
| 0413 | Optus |
| 0414 | Vodafone |
| 0415 | Vodafone |
| 0416 | Vodafone |
| 0417 | Telstra |
| 0418 | Telstra |
| 0419 | Telstra |
| 0420 | Compatel, Pivotel, Sinch, Sydney Trains, Symbio, Vodafone |
| 0421 | Optus |
| 0422 | Optus |
| 0423 | Optus |
| 0424 | Vodafone |
| 0425 | Vodafone |
| 0426 | Vodafone |
| 0427 | Telstra |
| 0428 | Telstra |
| 0429 | Telstra |
| 0430 | Vodafone |
| 0431 | Optus |
| 0432 | Optus |
| 0433 | Vodafone |
| 0434 | Optus |
| 0435 | Optus |
| 0436 | Telstra |
| 0437 | Telstra |
| 0438 | Telstra |
| 0439 | Telstra |
| 0440 | Optus |
| 0444 | Telstra |
| 0447 | Telstra |
| 0448 | Telstra |
| 0449 | Vodafone |
| 0450 | Vodafone |
| 0451 | Vodafone |
| 0452 | NetSIP, Vodafone |
| 0455 | Telstra |
| 0456 | Telstra |
| 0457 | Telstra |
| 0458 | Telstra |
| 0459 | Telstra |
| 0460 | Telstra |
| 0461 | Telstra |
| 0462 | Telstra |
| 0463 | Telstra |
| 0464 | Telstra |
| 0465 | Telstra |
| 0466 | Optus |
| 0467 | Telstra |
| 0468 | Optus |
| 0469 | Lycamobile |
| 0470 | Lycamobile |
| 0472 | Telstra |
| 0473 | Telstra |
| 0474 | Telstra |
| 0475 | Telstra |
| 0476 | Telstra |
| 0477 | Telstra |
| 0478 | Optus |
| 0479 | Optus |
| 0480 | Field Solutions Group, Pivotel, Telstra |
| 0481 | Optus |
| 0482 | Telstra |
| 0483 | Telstra |
| 0484 | Telstra |
| 0485 | Pivotel |
| 0486 | Telstra |
| 0487 | Telstra |
| 0488 | Pivotel, Telstra |
| 0489 | Optus, Pivotel, VicTrack |
| 0490 | Telstra |
| 0491 | ACMA, Bird.com, LMGPS, Telstra |
| 0492 | Telstra |
| 0493 | Telstra |
| 0494 | Telstra |
| 0497 | Telstra |
| 0498 | Telstra |
| 0499 | Telstra |