zip_codes: Data for U.S. Cities by Zip Code

Description

This data set considers each zip code throughout the U.S. and provides additional information, including the city and state, latitude and longitude, and the FIPS code for the corresponding county.

Usage

data(zip_codes)

Arguments

Format

A data frame with 43524 rows and 6 variables

Details

The ZIP code data was obtained from version 1.0 of the zipcode package on CRAN. The county FIPS codes were obtained by querying the FIPS code from each zip's latitude and longitude via the FCC's Census Block Conversions API. For details regarding the API, see http://www.fcc.gov/developers/census-block-conversions-api.

zip. U.S. ZIP (postal) code
city. ZIP code's city
state. ZIP code's state
latitude. ZIP code's latitude
longitude. ZIP code's longitude
fips. County FIPS Code

The FIPS codes are useful for mapping ZIP codes and cities to counties in the counties data set.

Fun fact: ZIP is an acronym for "Zone Improvement Plan."