Recommended zip code database?

[edprush]

I am having someone code a site for me and one of the features is that the end-user will be able to do a radius search from zip codes they input.

Does anyone have a zip code database that they recommend?

I see many zip code databases available for sale but don't know which one is the best.

 

[2Xtreme21]

I think you can find a few free lists available by state online. Google is your friend.

 

[mugs]

I've used a database that was purchased from here before: http://www.zipinfo.com/

It was about $100.

Edit: Actually only $40 for a single license. It includes:
ZIP code, city, state, area code, county name and FIPS code, time zone, and daylight saving time information

There are other datasets there too.

 

[SmoochyTX]

http://www.melissadata.com/lookups/
While they offer tons of lookups for free, contact their marketing dept and you should be plenty satisfied.

No, I am not affiliated with their site.

 

[eits]

google works.

 

[Skeeedunt]

Google maps API might do what you need for free. They limit the number calls/day, but it's a high number.

 

[edprush]

Originally posted by: 2Xtreme21
I think you can find a few free lists available by state online. Google is your friend.

There are hundreds of sources for zip codes. I am looking for a reliable source.

Many sites resell OLD zip code database that they bought from another source that bought from another source.

I'm looking for current/accurate/reliable.

I'll pay.

 

[edprush]

Originally posted by: Skeeedunt
Google maps API might do what you need for free. They limit the number calls/day, but it's a high number.

I failed to mention that I need latitude/longitude data for each zip. This is used to determine distance from the zipcode.