How To Top Up ZIP SIM Online
You will be able to top up ZIP SIM online at www.zipsim.us/topup
Please have your 19 digit SIM card number or your 10 digit ZIP SIM number
Keep in mind that you will need to top up your ZIP SIM within 72 hours after your current plan expires to be able to top up the account.
Select the Plan you need and click "Buy Now"
Proceed to checkout and enter your billing and credit information and your plan will be extended!
Please note: When you top up, you will overwrite any existing plan that has not expired, so be sure to do this after your plan has expired.