The script code/zip_county_crosswalk.R creates zip-county crosswalk data using HUD-USPS data and Census Data. I only kept the states in the Mainland US, and excluded the US Territories (as required in ...

@robparal pointed out that the zip codes he has been working with to do data aggregation from the US Census are different than the zip codes on the Health Atlas. The Health Atlas uses zip code ...

HUD's Office of Policy Development and Research (PD&R) is pleased to announce that HUD-USPS ZIP Code Crosswalk data are now available via an application programming interface (API). PD&R produces the ...

The U.S. Postal Service opposes two House bills that propose to add 76 new ZIP codes across the country, citing a financial burden and harm to mail delivery service. Díaz-Balart’s legislation passed ...

The U.S. Postal Service opposes two House bills that propose to add 76 new ZIP codes across the country, citing a financial burden and harm to mail delivery service. The areas that would get a new ZIP ...

Do you feel passionately about maintaining the vitality and robustness of the United States Postal Service during this most unusual of presidential election cycles? If so, you can make your voice ...