You need to use the portal number you were assigned. Have you looked it up in the Donation Checker? The Checker has been up and down today. Give it plenty of time to connect.
Yes, if that is what you see in the Donation Checker. That short address will work in Kodi 15.2. Once everything is configured, try to connect. If it doesn't connect and you're sure all the credentials are correct, do an IPTV Reset.