In Reply to: credit posted by frequent_visitor on Sunday, 1. July 2012 at 20:14 Bali Time:
If your Simpati card is still valid and you want to top it up in Bali it depends where you go as to how much extra they charge on top
eg if putting on 100000rp some places charge 102000rp some 105000rp
etc
Depending how much you put on will depend on how long its active for
http://www.telkomsel.com/product/simpati/8831-Isi-Ulang-simPATI.html
Simpati is Telkomsel
Mentari is Indosat