Step 1: Sign in to AWS
Log into AWS at https://console.aws.amazon.com/.
Step 2: Find your AWS Region
Look in the upper-right corner of any AWS console page. The currently selected region is shown there (for example, US East (N. Virginia)).
Click the region name to open a dropdown list of all regions enabled for your account.
Step 3: Find your 12-digit Amazon account ID
In the far upper-right corner, open the account menu. Your account ID appears in parentheses next to your account name.
Example format: MyAccount (123456789012).