How to make phone number mandatory in Shopify Checkout?

When using any of the following shipping carrier services, you will be required to input a phone number of consignee or package receiver to avoid any errors during the shipping process:

• Japan domestic shipping: Yamato Transport (Kuroneko Yamato), Sagawa Express
• International shipping: JapanPost International (EMS), UPS, DHL, FedEx

Make Phone Number Mandatory In Shopify Checkout

To make adding a phone number a mandatory field for your customers during checkout through your Shopify settings, follow these simple steps:

1. Go to Shopify Settings → Checkout and accounts.

2. In Customer information section, set Shipping address phone number as Required.

By configuring this setting on your Shopify store, you can prevent errors from occurring if the phone number field is left blank.