Best Data type to hole phonenumber

Whats the best type to hold a phone number in this format with a column in my sql table...should i use varchar? or something else....any help would be great!!

Is this phone number US-only or is it international?

Thanks

Waseem

|||its only US|||

Take a look at this example

http://www.rampant-books.com/t_super_sql_128_user-defined_data_types.htm

Hope this helps