This answer depends on which coupon website you are using. I usually prefer the CouponMoto where you don't need to remember any code just click on the coupon code and the code gets copied automatically. and just paste during checkout.
it varies from coupon code to coupon code. sorry.
there are 16 digits in the coupon.
5 digits
The CVW code is three digits.
there are four digits
8-11 digits
You can get a Swanson coupon code from retailmenot.com.
There no coupon code
3 to 5 digits
each cheat code has five digits here is a cheat code for superbia cdcsr
Pokemon Coupon Code
If there is a coupon code on the coupon then you can use it online. If there is not a coupon code, you have use the coupon at the store.
usually 1 to 4 digits.