How can I default country code phone/fax for address when I create a Location

Summary:

default the country code for fax and telephone number to the Italian one when entering the address when creating a location

Content (required):

hi, the customer asked if it is possible to default the country code for fax and telephone number to the Italian one when entering the address when creating a location

Version (include the version you are using, if applicable):

22D

Code Snippet (add any code snippets that support your topic, if applicable):