Hi @Grace2704, we’re not seeing any roaming charges on your last few bills. We saw there was a price increase for your plan starting with the October bill ( you can find the increase notice on your September bill). 

However, you have since switched to a different plan, which you can also see reflected your November bill. If you’d like to see all the billing details you can download your bills as PDFs in your online account, here is a guide https://www.koodomobile.com/en/help/viewing-and-downloading-your-bills