--- title: Adding defaultPhoneNumber field to Customer - Shopify developer changelog description: Shopify’s developer changelog documents all changes to Shopify’s platform. Find the latest news and learn about new platform opportunities. source_url: html: https://shopify.dev/changelog/adding-defaultphonenumber-field-to-customer md: https://shopify.dev/changelog/adding-defaultphonenumber-field-to-customer.md --- [Back to Developer changelog](https://shopify.dev/changelog) March 11, 2025 Tags: * Admin GraphQL API # Adding defaultPhoneNumber field to Customer As of GraphQL Admin API version **2025-04**, the `defaultPhoneNumber` field is introduced on the `Customer` object to support querying a customer's phone number and marketing state. Learn more about the `Customer` fields on [Shopify.dev](https://shopify.dev/docs/api/admin-graphql/2025-04/objects/Customer).