First and foremost, what is the advantage of having a unique username for your Page? Didn't you name your Facebook Page already? Yes, but your Page's custom username is also its custom URL or web address. As a result, rather than using a long Page web address, you may choose a shorter name that is easier to write on business cards. To help you out, We have created a Facebook Business Page Username Ideas, FB Page Username, FB Business Page Username & So on.