php how to display friends based on zipcode?

i have a database with some names and addresses, zip codes, etc

i am looking for a way to display names close to a zipcode.

something like based on my zip code to show the people with in my proximity

i am looking for an script idea...

i know google has something but it charges after 50.000 entries

thanks

Solution

Here is how you do it.

Download the zipcode database with latitutde/longitude here.

Do a query in mysql to get users close to x miles.