Why? Prepaid service works in Canada too. Regardless, there is no suspending prepaid. Just don’t renew your plan. Just be aware that if your account balance is $0 for more than 60 days after your plan expires, your account is closed and your number lost.
*The views and opinions expressed on this forum are purely my own. Any product claim, statistic, quote, or other representation about a product or service should be verified with the manufacturer, provider, or party.