282673829339
New codes that expire 21st Aug: 282673 for Chef's Best & 829339 for Traditional. As with the last code, it appears to exclude many WA stores but worked in other states. Edit: Excludes Darwin also.
To use when this similar deal ends in 4 days. Note that if you are ordering today then use this 40% off deal which works out better (extended until midnight tonight).
*Online only
315818 is the code you can grab from pizzamogul.com.au to get 30% off. They change it from time to time, but there's always a code. When you log in, where the big 30% off banner is, hover over/copy link and grab the 6 digit number.