Contact us

Our friendly customer service team is here for you

Coronavirus causing longer response times  

Due to the impact of the Coronavirus (Covid-19) all our staff are working safely from home - you may experience some delays in our communication response times. 


Australia Post FlexiSIM customer support office hours are:

Monday to Friday: 8:30am - 6pm AEST 

Saturday: Closed

Sunday: Closed

We request your understanding whilst we weather the impact of Covid-19 and we thank you for your support.

1300 196 916

Customer support (free call from a FlexiSIM service)

Online enquiry

Send a message directly to customer support

Store locator

Search for your closest Australia Post Office

+61 480 018 309

SMS customer support (free to SMS)

Knowledge base

Search our knowledge base for answers

299 Clarendon St, South Melbourne VIC 3205

Postal: Flexisim Pty Ltd, PO Box 222, South Melbourne VIC 3205

How to get started with FlexiSIM

Unlimited talk and text, plus mobile data you can use, share4 and gift.5


Get a FlexiSIM

Buy a $4 FlexiSIM
online or at a participating
Post Office.3

Choose a plan

When you have your
SIM, activate and
select a plan.

Enjoy your FlexiSIM

Enjoy unlimited talk and text and the ability to gift5 or share4 your data with friends and family on FlexiSIM.