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MojoKnows offers products and services for visitors to Australia – our aim is to make your stay as pleasant as possible. We offer prepaid australian SIM Cards for mobile phones, Internet access on the go and practical accessories for mobile phones. We also offer a unique tax file number application service that allows you to receive your tax file number for your Working Holiday Visa via text message and email, and our mail redirection services ensures that you can read your postal mail on the go, even on your smartphone - and we pride ourselves on our customer support! Please also visit our Twitter page where we give practical tips for travelling in Australia.

  • Top site

    Lena from frankfurt on the main

  • Perfect service

    Raquel from Swizterland

  • The Sim-City-Pack really thrilled me. There wasn't even one problem, and it was extremely cheap. i didn't even use up all the initial balance!

    Wolfgang from Kingsfield, Germany

  • your wifi box is really good, Large Praise

    Daniela from Berlin

  • Unusually good service

    Ilya from Mühltal in Germany

  • I've said it before - your service really is 1st class. I will definitely recommend you to my friends.

    Michael S.

  • The Traveller package was exellent! it helped me alot - thanks thanks

    Andre from Visbek, Germany

  • facebook on your phone is really free!? how cool is that!

    philipp from Wuppertal, Germany

  • very good service and a great website

    Wolfgang from München, Germany

  • you are great

    Dominique from Switzerland

Here's an overview of our products and services

SIM Cards for Australia


We offer a few different SIM card bundles for your trip to Australia. If you are bringing your smartphone and would like to have access to the internet 24/7 or if you just want to have cheap call rates to your home country, compare our SIM cards and find the one that matches your needs! All packages come with our first rate customer service based out of Sydney.

Working Holiday Packs


Perfect for when you are backpacking on your Working Holiday Visa in Australia. In this Package you will get a SIM card with cheap call rates and we send you your Tax File Number - which you need to be able to work in Australia - via Email and Text Message.

Internet for Tablet/Laptop


You don't want to go without internet access for your laptop, netbook or iPad whilst travelling in Australia? Have a look at our different options and devices to get connected to the internet and pick the one that best suits your needs.

Mail Holding / Forwarding


During your travels in Australia you can still receive mail from family and friends as well as from Authorities in Australia (Banks, Car Registration Agencies etc) by using one of our mail services.

Tax File Number


If you are travelling on a Working Holiday Visa we can help you get your Australian Tax File Number (TFN) the easy way - order whenever you want, get your TFN electronically via EMail/Text message.