CmdID / aws / aws account
aws account get-gov-cloud-account-information
Retrieves information about the GovCloud account linked to the specified standard account (if it exists) including the GovCloud account ID and state. AWS CLI reference
1 option Its page in the AWS CLI reference
Options
--standard-account-idSpecifies the 12 digit account ID number of the Amazon Web Services account that you want to access or modify with this operation.