Prepaid calling cards also facilitate establishing a call by first calling the provided toll-free telephone number, entering the card account number and PIN, then the desired connection telephone number. An equipment usage fee may be charged as additional units, minutes or tariff fee to the collect/third-party, debit, credit, telephone or prepaid calling card when used at payphones.
Payphones are often found in public places to contribute to the notion of universal access to basic communication services. Payphones in the past have used token coins, available for sale at a local retailer, to activate pay phones instead of legal tender coins. In some cases these have been upgraded to use magnetic cards or credit card readers.
The first public phone booth was installed on this date in 1880 in New Haven, Connecticut, just four years after the telephone was invented. These first public telephones were supervised by attendants, while those operated by coins came along nine years later. Today, it’s increasingly rare to see a pay phone beyond transportation terminals, but the latest models have computer-like features, and worldwide, some booths are converting to wireless fidelity hot spots.
Now, almost 98 percent of U.S. households have telephone service, and the number of Americans using cell phones doubled to about 70 percent from1998 to 2005, and to around 90 percent more recently.
According to wikipedia