StartGlobal offer 30 minutes free for the first month. Find below the call rates to all countries.

StartGlobal Call rates
StartGlobal call rates card Country ,Dialcode list,Name,FeeAfghanistan,+93,Afghanistan,0.772Afghanistan,+9370,+9371,+9372,+9373,+9374,+9375,+9376,+9377,+9378,+9379,Afghanistan Mobile,0.609Albania,+355,+3552,+3553,+3554,+3555,+3556,+3558,+35546,+35547,+35548,+35549,+35572,+355422,+355423,+3554...
Google Docs
Visit this spreadsheet for full list of countries and their call rates.