International Phone cards.
Phone cards are sold with scratchable code numbers or pin numbers. You must take utmost care when removing the scratchable paint over the code number. Also when you check it is originally covered with the mobile phone company name or logos.
The Newly produced card will allow you to scratch the coating to view the printed private code. You may know that it is one time use code only. Never by the phone cards with the exposed pin numbers.
It is better to ask the seller to scratch and feed the pin numbers and activate to reload calling minutes to your mobile from the carrier as the sellers are much experienced people in this trade. If any thing goes wrong they have the permission to get refund for that particular card and give you a new one.
In some countries where the card sales are low or big denomination cards sells are very low there are many chance s for the phonecard to be stay with the seller for long time. This may cause the cover paint to become and dried. So if you happened to buy one of these cards you have more chance to scratch the pin number too in this process.
Worn out pin number in calling cards.
If you happened to damage the card slightly don’t get panicked, here is the remedy for it to recover the code number.
All you need is to scan the phone card with high resolution and get the out put in the digital image. Enlarge the image and you can view the damaged number and can guess the missing number. Most of the time this procedure will give you the perfect results to recover the damaged number. If the number is completely damaged then you have to return it to the seller and in turn he will contact the original company and may give you a new card within one week of time after checking it.