Where is Zip Code 51204?

Did you receive a letter mailed from zip code 51204? Do you need to know where zip code 51204 is? We have the answer! Zip Code 51204 is located in:

Sheldon - Iowa

Zip Code Lookup
Now you know that the location of zip code 51204 is Sheldon - Iowa. To find the location of another zip code, please enter it below and press "Where is Zip?"

Where is Zip Code 51205?
Go here for the next zip code on our list of zip codes.