Data & Functions for Working with US ZIP Codes
Download updated data files needed for library functionality to the pa...
Returns that lat / lon pair of the centroid of a given ZIP code
Get all congressional districts for a given ZIP code
Get all Census tracts within a given ZIP code
Returns true if the given ZIP code is also a ZIP code tabulation area ...
Normalize ZIP codes
Given a ZIP code, returns columns of metadata about that ZIP code
Get all ZIP codes that fall within a given congressional district
Search ZIP codes for a given city within a state
Search ZIP codes for a county
Returns all ZIP codes found within a given FIPS code
Search for ZIP codes that are within a given radius from a point
Search for ZIP codes located within a given state
Search all ZIP codes located within a given timezone
Calculate the distance between two ZIP codes in miles
Make working with ZIP codes in R painless with an integrated dataset of U.S. ZIP codes and functions for working with them. Search ZIP codes by multiple geographies, including state, county, city & across time zones. Also included are functions for relating ZIP codes to Census data, geocoding & distance calculations.
Useful links