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Why Can't I Find a List of Zip Codes, Cities, and States?

I am working on a demo, and one of the things I dreamed up involves looking up cities based on a zip code, or zip codes based on a state. 

I can't find the data. 

Anyone know of a place where I can download a list of city, state, and zip codes?  Preferably for all 50 states, but even individual state data would be useful.

Published Friday, June 16, 2006 5:45 PM by kaevans

Comments

# re: Why Can't I Find a List of Zip Codes, Cities, and States?

Friday, June 16, 2006 6:44 PM by gduncan411
Not exactly what you asked for... but kind of close?

The USPS has an POX like API that looks free to use...

http://www.usps.com/webtools/address.htm

ZIP Code™ Lookup
Find matching ZIP Codes or ZIP+4 Code for any given address, city, and state in the U.S.  

City/State Lookup
Get accurate city and state information when you only have the ZIP Code.  

# re: Why Can't I Find a List of Zip Codes, Cities, and States?

Friday, June 16, 2006 6:51 PM by gabriel.lozano
In my country you would get this information from the Postals Office for free. In your country you are going to have to pay:

http://www.usps.com/ncsc/addressinfo/citystate.htm

The reason you are going to have to pay for it is because the CD-ROM contains 100,000 records :D

# re: Why Can't I Find a List of Zip Codes, Cities, and States?

Friday, June 16, 2006 6:56 PM by gabriel.lozano
By the way, check it this neat project on Sourceforge:

http://sourceforge.net/projects/zips/

# re: Why Can't I Find a List of Zip Codes, Cities, and States?

Friday, June 16, 2006 7:42 PM by Rosyna
Well, the USPS sells such databases:

http://www.usps.com/ncsc/addressinfo/addressinfomenu.htm?from=zclsearch&page=ais

# re: Why Can't I Find a List of Zip Codes, Cities, and States?

Friday, June 16, 2006 10:46 PM by kaevans
Gabriel - THANK YOU!!!  This is perfect.

What a pain in the arse that is.  The USPS POX service mentioned requires some special request form.  And there's no way I am paying the USPS for something that they should provide for free on their web site.

I guess, looking at it from another view, they can charge for it... because obviously, someone wanted it and couldn't figure out how to get it.

# Just curious

Monday, June 19, 2006 10:50 AM by Grim
Why is it that you feel the USPS zip code database is "... something that they should provide for free on their web site?"

# re: Why Can't I Find a List of Zip Codes, Cities, and States?

Thursday, June 22, 2006 10:24 AM by darronj
You might also look here, I think it's what you were looking for. http://developer.yahoo.com/maps/rest/V1/geocode.html

# Kirk Allen Evans' Blog : Why Can't I Find a List of Zip Codes, Cities, and States?

Thursday, August 03, 2006 10:02 AM by CedarLogic - Shawn Cicoria

Kirk Allen Evans' Blog : Why Can't I Find a List of Zip Codes, Cities, and States?.
Kirk, who’s...
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