Using Magento 2.2
, Backend
, Customers
. I cannot update or save suctomer telephone number, but after Save no message Error.
NOTE: This is original code, not yet custom.
EDIT:
I see phone number in customer information edit form, But still not show in table.
Customer -> All Customer -> Customers
Customer Table -> Edit -> Address
Best Answer
Customer phone number from the billing address. Once we add billding address for the customer then only the grid phone field can be validated.
Customer grid
Customer default billing address