Calling cards are popularly known as phone cards and IDD cards all over the world. They are sold as pre-paid ones by the local telephone companies. If the value of the card is spent on calling, some companies allow you to top up them. Phone cards allow you to make calls within a country and to dial IDD calls through public phone booths. You don't need to put coins to make calls any more, if you have any of these cards with you.
These cards are widely in sold in the USA, Europe and in the Middle East. Expatriate workers mostly depend on these phone cards to call their homes and in USA cards are sold during the festive seasons as lot of people used to call their family and friends to exchange greetings. Card sellers used to offer discount rates around X-mas and New Year season. These cards are valid for certain period only unless it is mentioned otherwise.
You can find plenty of methods to pay for the calls you make to Sri Lanka. One of it is the use of phone cards. These cards serve only one purpose which is to allow the buyer to make calls. These are called with different names such as Asia Boost to attract the buyers. In Srilanka all the telephone service providers and mobile phone service providers are selling their own phone cards, IDD Cards and Data Cards for their customers and general public. They are meant for dialing local phone lines, IDD, chat, data plan card and Wi-Fi usage. These cards are scratch and use type, and good for one time use only. Once you had entered the code in to your phone and converted it in to cash then you can throw the card away. Call cards used to have prepaid money value in any desirable currency in them. And can be bought from telephone companies, kiosks and online web sites using your credit card. India, Pakistan, Bangladesh, Philippines and Sri Lanka workers working in the Arab Countries used to buy lot of calling cards and Phones cards to call back their home specially on Fridays and Sundays.
The pre-paid IDD phone cards comes as the size of a credit card with magnetic bar or memory chip on it or with a secret number under the scratch-able aluminum paint coating on the card. You can buy them from US$ 5, 10, and 20 and so on. Before buying a card, check whether it is good for the destination that you are going to call. Some cards are good for calling USA, if you used it to call UK, it may be an expensive call and you will get less calling minutes than the USA call. So find out good one for calling a certain destination. Also you can ask your friends or relatives to recommend you a web site or a card company that can give plenty of calling minutes for your cash. These cards may charge high value for the first minute and will become cheaper for the following minutes. These types of cards should be used to talk continuously. If you are not willing to make calls continuously, then find another card that can suit your.
In Sri Lanka you can buy these phone cards in phone arcades, phone shops and private communication centers too. You can see the "Buy Phone Cards here" sign in most of these places. Also there are some shops in major cities sale the Gold card which is not a card but they will provide a user name and password for you to call from your internet connected PC through VoIP.
Public holidays, Sundays and Poya days are the best time to make low priced calls to any part of the world from Sri Lanka through out the day and night.
International country code of Sri Lanka is +94 or 0094.