List of Phone Number Format Validation Rules

Summary:

List of Phone Number Format Validation Rules

Content (required):

We are doing Conversion Loads for Multi Countries. We are aware that , not all countries but countries like the United States have phone number format validation implemented.  

So, like to know the list of Phone Number Format Validation Rules available for each countries including US

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

22B

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