As far as for the original question here, if a cancellation is processed it does cancel the number. If you port out, you'd need to initiate the port and cancel when it's over.

Anyone canceling outside of the 30 day window would still be eligible for a refund of prepaid time, but we would deduct the cost of the time used. So an an example if someone prepaid for a year and used 2 months, we would issue a refund for that less the cost of 2 months of service at the monthly rate.

Hope that makes sense.