Prepaid United States of America SIM Cards in Australia (USA) Best Prepaid AT&T SIM Card for USA - Unlimited 5G/4G Data Travelling to the USA, Canada, Mexico or Alaska? Stay connected with family and friends during your visit with an AT&T Unlimited data Card. Having a USA tourist SIM card with unlimited data gives you the freedom to: Stay up to date with your social media Keep your data on 24/7 Call and text any number or landline in the US Update your family and friends about your holiday Back up your photos as you go Navigate maps Research and add to your itinerary on-the-go Check opening hours, prices, and any details you need to know of places in your itinerary Explore the USA, Canada, Mexico and Alaska without worry--connect with family & friends while you travel with AT&T Unlimited MAX Plus! With unlimited data in USA, you'll have the freedom to stay updated with social media, back up photos, navigate maps, and research your vacation itinerary. Plus, you get data to use while in Canada (25GB) and Mexico. You also get 500 Minutes International Calling to over 30 countries (includes, Australia, New Zealand, United Kingdom and Germany) and more. Enjoy no extra costs--pay only for what you see! **You can now purchase this product as an e-SIM if you have a eSIM compatible phone, please click here to go to that product page** Included Features for AT&T Unlimited MAX Plus SIM Card: **Please Note: Foreign model (Non-US) android phones are no longer compatible with AT&T. Do not purchase if it is for use in an android phone. We cannot provide you a refund if it is activated and doesn't work in your android phone. We recommend that you purchase the T-Mobile or Verizon sim card options HERE (subject to compatibility). iPhone 6 or newer are still fully compatibility with the AT&T network. Should you have any queries, please email us at support@simcorner.com** Included Features Summary: Carrier: AT&T USA Country Coverage: USA, Hawaii, Canada, Mexico, Alaska. Data: Unlimited