Topping up your Prepay balance
You can top up your Prepay balance in lots of ways: but the fastest and easiest ways are online with your credit card or through your bank using Hotlink on your mobile.
Plus, if you top up with $20 or more between 4th March and 29 May 2008 using Hotlink or your credit card, we?ll give you a 20% bonus top up! So, if you top up $40 you?ll get an extra $8 credit on us!
http://www.vodafone.co.nz/plans/prepay/topping-up.jsp