I want to create a custom registration field for Zip Code. When entered,I would then like to verify that field against a database of zip codes in a local geographical area. That is, registrant enters "98107" and my database does not include "98107" as a local zip code, the user would still be registered but with a lesser permission on the site. I would like to do this without coding, if at all possible. Is there a plugin that can do this for me?
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