Zip Code to City/State and vice-versa in a database?

Question

I\'m new to SQL and relational databases and I have what I would imagine is a common problem.

I\'m making a website and when each user submits a post they have to pr

Answer 1

I would like to add this website.

http://www.unitedstateszipcodes.org/zip-code-database/

You can download the data for free if you use for Personal/Educational (as of 2014-03-20).