Tag: ZIP code

ZIP Codes are not Boundaries
It is a common misconception that 5-digit US ZIP Codes are topographic boundaries that can somehow be accurately represented on a map. They are not. ZIP Codes are a trademark...
Unique Zip Codes – What Are They?
If you have ever run into a unique ZIP code while doing address lookups or validation, then there is a good chance that they may have caused some confusing results...
Fun Facts About ZIP Codes
Addresses in the United States used to be a simple matter of a street location, a city and state, and perhaps a city-specific postal zone. But by the 1960s, between...

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