As of June 10, 2012, a $15 Phone Number Change fee will apply when calling Care or visiting a Sprint Store. If you want to avoid this charge, you can choose to change your phone number on Sprint.com. It's quick and easy. Here's how:
1. Login to www.sprint.com
2. Click on My Preferences tab
3. Click on Change phone number under ‘Things I can manage online - account’
4. Follow the steps to complete your number change.
If for some reason you are not able to complete the self-service option, please chat with a Sprint chat agent for assistance.