https://community.48.ie/t5/Other-Help/TOP-UP/m-p/2568#M775 <P>Hey i just want to ask i keep my old O2 number on this sim card if i want to buy a top up should i buy O2 or 48?</P> Mon, 17 Jun 2013 14:32:24 GMT Anon 2013-06-17T14:32:24Z https://community.48.ie/t5/Other-Help/TOP-UP/m-p/2568#M775 <P>Hey i just want to ask i keep my old O2 number on this sim card if i want to buy a top up should i buy O2 or 48?</P> Mon, 17 Jun 2013 14:32:24 GMT https://community.48.ie/t5/Other-Help/TOP-UP/m-p/2568#M775 Anon 2013-06-17T14:32:24Z https://community.48.ie/t5/Other-Help/TOP-UP/m-p/2572#M776 <P>Your query is not really that clear but if you have a 48 SIM/account and then you port your O2 number over to 48 then from then on your number is your former O2 one (not the 089 number that came with the 48 SIM) and you no longer have any dealings with O2 so you buy credit/membership/add-ons via 48 in order to use your phone.</P><P>&nbsp;</P><P>Does that make sense to you?</P><P>&nbsp;</P><P>Hope this helps.</P> Mon, 17 Jun 2013 15:28:30 GMT https://community.48.ie/t5/Other-Help/TOP-UP/m-p/2572#M776 dalyer 2013-06-17T15:28:30Z