25-08-2013 11:04 PM
26-08-2013 02:53 PM
26-08-2013 02:53 PM
29-08-2013 05:13 PM
After registering a SIM and getting a new 089 number can't you just then port the old number from another network?
http://community.48months.ie/t5/Most-Popular-Questions/How-do-I-keep-my-old-number/m-p/18#U18
Hope this helps.