Call Center Indosat

Via Matrix & StarOne Dial 111 (Free)
Via Mentari Dial 222 (Free)
Dial 100 (Rp.400,-/call)
Via IM3 Dial 300 (Free)
Dial 100 (Rp. 400,-/call)
Fax 021 5449501-06

Cek Pulsa
Mentari : *555#
IM3 : *388#
Star One : *555#