The amount remaining on the card will be displayed and you will hear a dial tone. Punch in the number to call. When your call is connected, the amount of your call will be deducted from the card in periodic increments. When you hang up the receiver, the card will be ejected from the slot. International Calling Because of the expense of making an international call, pay phones are generally not used.
Several companies offer long-distance service, and their prices vary.
Dial 002 before the number to use Dacom, and 008 first to use Onse. To make an operator assisted call, dial 0077. To get more information, dial 0074. Not all of Korea's phone numbers have 7 digits. Many areas of the countryside only have 6 digits, and several areas of Seoul now use 8 digits for new phone lines.