Validating postal code
If the zip check has failed, it's because the bank is telling the payment processor that the zip code does not match the one it has on file.
If the cardholder has recently moved, it may take their bank a while to have the correct zip code on file for them.
Many vendors also sell validation tools, which allow customers to properly match addresses and postal codes.
Hard-copy directories can also be consulted in all post offices, and some libraries.
For instance, the locale “de” is a locale but could not be used with Postal code formats are simply regular expression strings.
When the international postal code format, which is used by setting the locale, does not fit your needs, then you can also manually set a format by calling ). You should also be aware that postcode values are always be validated in a strict way.
For people that are using Stripe as their payment processor, if the payment is being declined and you'd like you accept it, you may want to see if the “Decline charges that fail zip code validation” setting is on.
You can verify this from the Account Settings page in Stripe.
If the input Zip code does not match with the system format, an error notification will appear.
This means that they have to be written standalone without additional characters when they are not covered by the format.
Like British and Dutch postcodes, Canada's postal codes are alphanumeric.
They are in the format A1A 1A1, where A is a letter and 1 is a digit, with a space separating the third and fourth characters.
As of September 2014, there were 855,815 postal codes and sells hard-copy directories and CD-ROMs.