Where Can I Find My Customer ID?

Your Customer ID will be shown in your order confirmation, on your invoices, on your bank or credit card statements and in 1&1 IONOS.

  • Order confirmation: After your purchase, you will receive an order confirmation by email. You will find your Customer ID in the "Service & Contact" section.
  • Invoice: On your monthly 1&1 IONOS invoice, you will find your Customer ID at the top-right, under the invoice date.
  • Payment Method Statement: On your payment method statements, you will find your Customer ID in the details of the charge from 1&1 IONOS.
  • 1&1 IONOS: Log in to 1&1 IONOS and click the My Account icon in the upper right corner.

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