The Apple support number above is for use anytime anywhere.
This number will give you access to Apple experts via phone 24/7, but be prepared, the first thing they will ask you for is the serial number on your EPSD leased device.
If you don't know how to find it review the directions below.
Choose About This Mac from the Apple menu (apple icon) in the upper-left corner of your screen. About This Mac shows an overview of your Mac, including the name and version of its operating system, its model name, and its SERIAL NUMBER.