Create an AWS account alias - AWS Account Management
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Create an AWS account alias

These instructions are for how to create an AWS account alias if you signed up for AWS using Sign up for AWS (advanced) or if you activated advanced features for your account. To compare sign-up options, see Compare sign-up options.

If you want the URL for your IAM users to contain your company name (or another easy-to-remember identifier) instead of the AWS account ID, you can create an account alias.

To learn how to create or update an account alias, see Using an alias for your AWS account ID in the IAM User Guide.