We have 2 types of communication cards one is postpaid and the another is prepaid mostly people choose prepaid cards because there is no more issues when you want a postpaid card then they will verify your home and it takes time.
And there are only limited thing you would like you got a plan for local calls for 200min you have to choose plans they provide you may be that would good for you but in prepaid we have all freedom we can do anything we can use net as we want we can call anywhere as we want we can Recharge as we want.