follow instructions to confirm it. Sign in to sprint.com with your username and password. Click the My Preferences tab. Under Things I can manage online - account, click Change Facebook Phone Number. Select the phone number you wish to change. Select one of the following options: facebook tech support number facebook tech support numbe - a 148.5 mi running route in Osceola, AR" /> follow instructions to confirm it. Sign in to sprint.com with your username and password. Click the My Preferences tab. Under Things I can manage online - account, click Change Facebook Phone Number. Select the phone number you wish to change. Select one of the following options: facebook tech support number facebook tech support numbe - a 148.5 mi running route in Osceola, AR ..." />