Zip Codes/Postal Codes are how our Gateway makes sure you are you!
Please make sure that your Autofill has not entered in information other than the Billing Address the Card/Bank is listed at.
Make sure that if you have entered in separate Billing and Receipting Information that the Zip Code/Postal Code is correct.
If you are still having trouble, please contact the ColoradoGives Team at 720.898.5900