Cancelling credit card will Hurt Your Credit Score
When you are using a credit card for long time and you can see that your credit score is increasing since you started your credit card. When you decided to Cancel your credit card, It will cause little bit impact on your credit score.
Lets see How does Credit Score Got Affected by Cancelling Your Credit Card
In other cases you may not use your oldest credit card any longer, But before you close the credit card it’s important to understand whether closing your oldest credit card, or any credit card at all, is a good idea.
Should i cancel unused credit cards or keep them?
Holding the credit card will help you to keep average age of accounts high. Over time, you could qualify for a credit limit increase and help to increase your credit utilization. Which can helps to increase your credit score.
Keep the credit cards even if they are being used, This will keep the number of open accounts and amount of available credit up for a cardholder.
Freeze your credit card instead of cancelling it.
Still if you want to cancel your Credit Card?
Lets Check Out This for Sample letter to bank For Credit Card Cancellation.