Proper format for E.164 numbers

[miken32]

What is the reason for this PR?

• A new feature
• Fixed an issue (resolve e164PhoneNumber() generates invalid US Phone Numbers #332)

Author's checklist

• Follow the Contribution Guide
• [n/a] New features and changes are documented

Summary of changes

Ensure the e164PhoneNumber formatter in en-US locale follows the same rules as other formatters and doesn't generate invalid phone numbers.

Review checklist

• All checks have passed
• Changes are approved by maintainer

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed after 1 week if no further activity occurs. Thank you for your contributions.

[pimjansen]

Do we have some source for this fix? Im new to US phonenumber so

[miken32]

This fix simply makes this one formatter behave the same as the other en_US formatters in the file. There’s a Wikipedia link in the source but basically an exchange starts with `2-9` and can’t end with `11`.

[miken32]

Thanks very much. Feel free to tag this PR with hacktoberfest-accepted if you guys are participating.