As the globalization is increasing is increasing people are going abroad and they
have to make calls to their home country very frequently but they are not able to do so. This is because the international calling rates are very high and it is very difficult for an individual to make international calls very frequently. In order to remove this problem the network companies have come up with International Calling Cards . These calling cards have made far calling very cheap and now anyone can make abroad calls without thinking of the phone bills. The customer can get these cards from the network service outlets and online. People prefer getting cards online as they get the opportunity to compare various cards available in the market so he can get the card that fulfill all his needs and also save his money. Mainly there are two types of calling cardsavailable in the market that lets you make cheap international calls and they are prepaid calling cards and postpaid calling cards. Both these cards have their own facilities. In prepaid calling cards the user ha s the freedom to get his account recharged with the amount that he desires and in postpaid cards the user has to pay the monthly bill that he gets at the end of the month which consists of the amount of the network usage for last month. These calling cards require PIN code and access number to get activated. This PIN code and the access number is send to the user through e-mail and as this data is inserted the card is ready to make calls. The user is supposed to dial the access number and the destination number to start communication. These calling cards have become very popular in a very less time as they are very easily found and the facilities they provide.