3 to 15 characters
Snapchat usernames are 3 to 15 characters long. They start with a letter and end with a letter or number.
Which characters are allowed
Latin letters, numbers and one hyphen, underscore or period. A username cannot be a phone number.
One change every 12 months
Snapchat says a username can be changed once every 12 months, so choose the exact name with care.
A held username is a separate question
See the Snapchat claim page for the routes Snapchat publishes.
Official sources
Platforms change their help pages and forms often. Follow the wording on your own screen and the current Help Center. Atclaim is an independent service and is not affiliated with Meta or any platform named on this site.