You can buy Public Mobile SIM cards on Amazon.ca, which is great because you'll get free shipping with Amazon Prime! Click here to get 30 days free trial of Amazon Prime if you don't already have it. The SIM card should be about $10 or less. Click here to check the current price on Amazon. If it's less than $10 definitely get it right away because it's a good deal! You can also get a SIM card directly from Public Mobile, here. Public Mobile SIM cards are also available in most stores that sell SIM cards like mobile outlet retailers, WOW! Mobile Boutique, K Mobile, London Drugs, The Mobile Shop, Public Mobile Kiosks, & Walmart. See the map of store locations that sell Public Mobile SIM cards here. See the Public Mobile community forum for updates on these locations.