While useful for mail delivery, ZIP Codes are flawed as a geographic metric for public health research. This paper quantifies the magnitude of potential error ...

Capelle aan den IJssel, the Netherlands - 19 January 2017 - AND announced today the release of their ZIP+4 Code Boundaries for the USA. This release includes polygons for the entire United States of ...

Our current US zip code boundaries comes from an older and probably outdated GeoCommons dataset. The US Census provides annual approximations of zip code boundaries in their Zip Code Tabulation Areas ...

The root of the inconsistencies may come from ZIP codes. “The [U.S.] Postal Service established ZIP codes and delivery boundaries to ensure timely and efficient mail sortation and delivery service,” ...

AND announced today the release of their ZIP+4 Code Boundaries for the USA. This release includes polygons for the entire United States of America. This product is unique and provides input to many ...

The city of Eastvale is once again introducing legislation to establish a unique ZIP code. Legislation proposed in 2016 and 2019 was unsuccessful, and requests from the city to change its ZIP code ...