Get an additional 6 months free Presto. For existing customers in their last month OR for new customers.
SMS Presto to 0484100900 from any mobile that you have not already used to SMS this number.
This will give you a code starting with TEL that can be used to get an additional 6 months free Presto if you are in your last free month prior to 31 July 2016. Get the code now and use before 31 July 2016.
Similar to a previous free 6 months Presto but with a different number to SMS to. And with this one the code you receive is valid for use until 31 July 2016.
For 9 months free Presto:
(1) Signup as a new customer and use the 3 months free code posted earlier today (TELXAM16 thanks to qiqi1021).
(2) SMS as detailed here and get your 6 months free code now while you can.
(3) Between 10 July 2016 and 31 July 2016 you are in your last free month from the 3 month code so use your 6 month free code which is still valid.
I can confirm deal to obtain 6 month free code by SMS has EXPIRED.