Travelers do not usually care for expenses on phone calls when they are going to leave their country. But buying international phone cards in the country of your destination can be rather expensive and moreover you do not have any chance to choose the rate affordable for you. That is why you need to take care of your international calls beforehand and to buy the needed phone card with affordable rates. If you have reliable companies in your country, you can take advantage and buy it but if you are looking for international phone cards, you will be able to get that card with the help of online services. It is better for you to look for web phone companies who have been in the market for years. Just experienced phone companies will provide you with the best services available.