Card and Address Field Character Limits
-Cardholder Name: max length 30 characters (15 first, 15 last)
-Address Line 1: max length 30 characters
-Address Line 2: max length 30 characters
-City: max length 20 characters
-Zip or Postal Code: min length 5 characters, max length 10 characters.
-If you don't have a postal code, just enter 5 zeros.
-If your postal code is 4 characters, add a "0" to the end.
-If your postal code has more than 4 characters, put a space in the middle. (ie "A2B3CD" should be entered as "A2B 3CD")
-We've found that codes of 5, 6, 8 and 10 characters work best. If your code is not one of these lengths, try adding zeros at the end