Lebara PAYG is still the cheapest possible way to get a number, park a number, use for OTP or sign up to marketing spam in Australia for a whole year (+80 days). Free incoming texts when roaming in the countries listed in the CIS. To join the PAYG plan, get a $2 SIM, activate the SIM and recharge the service.
It has cheaper calls to 13/1300 numbers, cheaper data and generally cheaper international rates (e.g. same SMS price for national and international numbers) compared to amaysim's $15 option.
Number expires 80 days after plan expires if it is not recharged.
This plan uses Vodafone’s 4G network.
Rates:
- Standard national calls: 15c/min
- 1800 numbers: Unlimited
- Standard national and international text: 15c
- Data: 3c/MB
- Standard national and international MMS: 25c
- 13/1300 numbers: 15c/min
- Lebara to Lebara standard national calls: Free
- Incoming texts when roaming: Free in permitted roaming countries


How about Aldi?