name : check-if-phone-number-is-opted-out.rst **To check SMS message opt-out for a phone number** The following ``check-if-phone-number-is-opted-out`` example checks whether the specified phone number is opted out of receiving SMS messages from the current AWS account. :: aws sns check-if-phone-number-is-opted-out \ --phone-number +1555550100 Output:: { "isOptedOut": false }