The Internet is a good source of prepaid calling cards, as most sites give you information and rates for calling to and from various countries. You can buy online, get the pin number by email and start talking. Your prepaid balance is reduced as you go on making calls, until your amount is entirely used up. Most of the card dealers sell their cards online through websites that specialize in international calling cards.

1st-usa.com is a popular website that sells international calling cards from various telephone companies and card manufacturers. You can get cards from major companies like Clear Connections, Access, Atlas, AT&T and Diamond Phone card on this site. The website provides information on the differing rates of various companies, and comes with buying and recharging options for any of these cards. Cards are categorized according to the caller and receiver countries, and also as cards for businessmen, students, military and missionaries.

You can also shop online for international calling cards at www.callingcards.com. Apart from buying and recharging cards at this site, you can also manage a personal account accessible round the clock. You can choose your caller and receiver country from a drop down menu and get the best rates available on the web. This website covers all the continents and almost al -important countries in their calling card search and sales.

Or you can visit www.phoneshark.com, as it meets all your telephone card needs including international calls. All you need to do is to type in the country from which you are calling and the country which you need to call, and the website displays international calling cards for sale as well as recharge. PhoneShark also has its own prepaid calling card which rounds off calls to 1 minute, for which the PIN is emailed to you instantly.