Since we all have nine-digit zip codes now, why is it still neccesary to include the city and state in a postal address? [more inside]
posted by dinger on Jul 3, 2009 - 25 answers

Need to find time zones for an extensive list of U.S. ZIP codes I have in Excel. (Not for Spam.) [more inside]
posted by skypieces on Dec 9, 2008 - 6 answers

What is the closest US zip code (in driving distance) to Vancouver, Canada? I'm looking for a P.O. Box, but haven't driven much to the states. What's close?
posted by nitor on Nov 4, 2008 - 9 answers

Oops bought something on ebay, but gave them the wrong zipcode, product shipped via US Postal Service First Class Mail [more inside]
posted by matimer on Oct 26, 2008 - 8 answers

A postage meter was moved from a branch office in California to an office in Vermont. The machine has yet to be updated. Specifically, it still prints "sent from 90210" instead of "sent from 05602." Will the post office in Vermont return the metered mail because of this zip code discrepancy?
posted by who squared on Jun 27, 2007 - 6 answers

Given multiple contiguous polygons, the coordinates of which are precisely known, how can I combine them into a coordinate set for a single polygon? [more inside]
posted by Doofus Magoo on Apr 11, 2007 - 18 answers

I need to add a zip code proximity search to a site. I have the registration form configured so that it stores a user's zip code with his/her profile. Now I want to give the option to "Show all users within X miles". Does anyone know if there is a web API to handle this? [more inside]
posted by GatorDavid on Dec 12, 2006 - 10 answers

What is the best strategy to limit using processing resources in doing a zip code radius query? (explained inside) [more inside]
posted by JakeWalker on Aug 28, 2006 - 12 answers

ZIP+4: Should I use an en-dash or a hyphen wth a ZIP Code that includes all 9 digits?
posted by stopgap on Mar 28, 2006 - 20 answers

I'm looking for a web page that asks for a zip code (or an address) and returns the voting district, what candidates are running on the ballot and any other measures or items up for the vote. Does anything like this exist on a national, state or more local level?

I know that Paul Ford is screenscraping the Government, but I'm assuming that won't be done in time for this November's election.
posted by djacobs on Oct 8, 2004 - 1 answer

Anybody know of a site that lists movie times and can be customized to list only certain theaters in your zip code?
posted by Hildago on Jan 24, 2004 - 13 answers