Look up any Zip Code here, get lots of cool demographic data by entering it here (make sure you enter a zip code, not just a town and keep scrolling down, down, down). [more inside]
posted by Rafaelloello on May 10, 2008 - 27 comments

Click here for nothing When you're online doing nothing, and there's nothing to see, nothing to read, and nothing to buy, you might as well settle for nothing.
posted by Tommy Gnosis on Apr 19, 2007 - 39 comments

Portable Zip Codes "Every year millions of Americans are on the go: People who must relocate for work or other reasons. Those people may have been quite attached to their original homes or an adopted town or city of residence. For them this innovative measure will serve as an umbilical cord to the place they love best."
posted by cmicali on Apr 2, 2004 - 13 comments

ZIP Code Visualizer A Java-based map of the continental US that progressively narrows down the area covered by a ZIP Code as you type in the numbers one by one. [Doesn't work so good in Mac IE 5. via xBlog]
posted by kirkaracha on Dec 22, 2003 - 25 comments