If you are receiving an error while completing the phone verification as part of the account activation process. When a support case is created to AWS Support reporting the same, in the manual phone verification, in some cases the call attempt fails or If the call connects successfully, you might face difficulties locating the AWS account ID. This article aims to provide guidance on how to troubleshoot the Phone verification issues and locate the AWS Account ID for Phone verification.

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AWS Account Activation - Locating AWS Account ID and Trouble...