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Info you entered doesn't match records
In your haste to purchase that dream espresso machine online, you may have mistyped your credit card number, expiration date or security code. Or perhaps you used an outdated billing address, which can also lead to a declined transaction. If you're making an online purchase, give your information a quick second glance.
If you make this mistake just once, it won't freeze your account. "It will just restrict this purchase," says Sherry. But if you mess up your entry numerous times, "it might get rejected and go back to the credit card company, and it will freeze the account." This is all part of how credit card companies aim to stop fraud.
Sometimes the information doesn't match because you've changed addresses. Call your credit card company to verify your information. A mismatch can cause a hiccup in all purchases that require an address. Avoid future inconveniences by updating your profile with your new information whenever there's a change.