Hello vpcarlisle,
Thanks for using Apple Support Communities.
You may want to try upgrading from a computer if you have only tried from the iPhone.
For more information, take a look at:
iCloud: Troubleshooting storage issues
http://support.apple.com/kb/TS4009
OS X
- Choose Apple () menu > System Preferences, then click iCloud.
- Click Manage in the lower-right corner.
- Click View Account in the lower-left corner.
- Enter the Apple ID password for your iCloud account, click View Account, then follow the onscreen instructions.
Windows 8, Windows 7, and Vista
- Open the iCloud Control Panel:
- In Windows 8, go to the Start screen and click the iCloud tile.
- In Windows 7 and Vista, choose Start > All Programs > iCloud > iCloud.
- Click Manage.
- Click View account.
- Enter the Apple ID password for your iCloud account, click View Account, and then follow the onscreen instructions.
iCloud: Managing your iCloud storage
http://support.apple.com/kb/ht4847
This article provides tips for managing your iCloud storage in the event that you reach or exceed your storage limit.
Have a nice day,
Mario