Best ZIP Code Database?

Question

I'm looking to buy a ZIP code database. There are zillions of choices out there. The one I am looking at is http://www.zip-codes.com/zip-code-database.asp. I would appreciate any ideas on how to judge the quality and costs of these.

Answer 1

Were you looking for a particular statistic or datum by zipcode? I sometimes need data by zipcode, but my business won't pay so I need to find it for free. These are mainly free or low-cost resources. I hope this helps.

For a list of zipcodes you can't be Free which is what I like about the US Postal Service zip code look up:
http://zip4.usps.com/zip4/welcome.jsp

If you need data by zip code, one of the better online resources (again Free for a certain number of searches) is Melissa Data online:
http://www.melissadata.com

The best pay service I've ever seen is Reference USA which provides comprehensive business information by zipcode. I believe it is expensive, but some larger public library systems have a subscription, so check there first.
http://www.uhls.org/uhls/Databases/intpages/Refusa.htm

Also in the free category, you can get census and gov't data and statistics by zipcode for free online at American Factfinder:
http://factfinder.census.gov/home/saff/main.html?_lang=en

(Enter an address in the search on the left, or a zip code in the search for quickfacts at the top. You can create detailed custom tables by zip - although it isn't very intuitive.)

I hope this helps!

Answer 2

Zip codes the US version of Canadian postal codes. Winnipeg does not have a zipper code. you are able to might desire to go right into a valid US zip to get handed the question on your internet site... 90210 is valid.

Answer 3

I think you should always choose best and high quality zip-code database. As an experienced designer i recommend zipcodedownload.com. They have most comprehensive zip code database available, you can also learn from videos for a free lesson. They have also including all states and territories ZIP Code. They easily catch incorrect addresses and fine-tune the client database for mailings.