describeOptedOutNumbers

Describes the specified opted out destination numbers or all opted out destination numbers in an opt-out list.

If you specify opted out numbers, the output includes information for only the specified opted out numbers. If you specify filters, the output includes information for only those opted out numbers that meet the filter criteria. If you don't specify opted out numbers or filters, the output includes information for all opted out destination numbers in your opt-out list.

If you specify an opted out number that isn't valid, an error is returned.