4xxi Email Format

The most common 4xxi email format is [first_initial][last] (ex. jdoe@4xxi.com), which is being used by 55.2% of 4xxi work email addresses.

Other common 4xxi email patterns are [first_initial][last_initial] (ex. jd@4xxi.com). In all, 4xxi uses 2 work email formats.