While we appreciate getting notice that you plan to cancel, you have control over the billing since you won't be under a contract.You can cancel your service at any time by simply ending the subscription or recurring payment plan in your account. That will stop any future payments from occurring. Your service will still remain active until the end of the current cycle that was already paid for.Please email: billing@skymobilellc.comNote: data plan payments are not pro-rated or refunded.