Would you be willing to answer a few brief questions about PlayStation Forums?
Why does this problem not enter your credit card info, ever time i go to enter it it wont go through and ive used 2 different credit cards. Does this have to do with the server overloads?
Most likely... CC verification programs hate latency and dodgy connections.
What error does it give you?
I had the same thing, but I put the wrong zip code the first time -_- if you get ps+ from the store you shouldn't have to use your CC