Should you put your phone number on your website?
Overall, it's a great idea for businesses to put their contact number on their website and it can even increase conversions and revenue. It also makes your brand more visible, open and contactable – which in turn will generate greater customer loyalty and satisfaction.
How do I add a phone number to Shopify?
You can make adding a phone number a requirement for your customers during checkout through your Shopify settings. To do this, click the Settings gear in the lower left corner, then click Checkout. Under Form Options, select Required for the option "Shipping address phone number." Lastly, click Save.