Phone number Entry question

1. How do you correctly enter a phone number?
2. What is numeric phone number example?

How do you correctly enter a phone number?

North American phone numbers

To format phone numbers in the US, Canada, and other NANP (North American Numbering Plan) countries, enclose the area code in parentheses followed by a nonbreaking space, and then hyphenate the three-digit exchange code with the four-digit number.

What is numeric phone number example?

Here are just a few examples: 2124567890. 212-456-7890. (212)456-7890.