data.frame of city, state, latitude, and longitude for U.S. ZIP codes

Description

This data.frame contains city, state, latitude, and longitude for U.S. ZIP codes from the CivicSpace Database (August 2004) augmented by Daniel Coven's federalgovernmentzipcodes.us web site (updated on January 22, 2012).

Usage

data(zipcode)

Format

A data frame with 44,336 observations on the following 5 variables.

zip

a character vector

city

a character vector

state

a character vector

latitude

a numeric vector

longitude

a numeric vector

Details

Please note that CivicSpace's outdated timezone-related fields have been removed with the 1.0 release of this package. The original CivicSpace database is available in its original form in this package's zipcode.civicspace data.frame.

Source

Daniel Coven's federalgovernmentzipcodes.us web site and the CivicSpace US ZIP Code Database written by Schuyler Erle <schuyler@geocoder.us>, 5 August 2004. Original CSV files available from http://federalgovernmentzipcodes.us/free-zipcode-database-Primary.csv, http://www.boutell.com/zipcodes/, and http://mappinghacks.com/data/.

References

Data packaged for R by Jeffrey Breen <jeffrey@atmosgrp.com>

Examples

data(zipcode)

subset(zipcode, city=='Cambridge'&state=='MA')
#       zip      city state latitude longitude
# 701 02138 Cambridge    MA 42.37915 -71.12803
# 702 02139 Cambridge    MA 42.36435 -71.10431
# 703 02140 Cambridge    MA 42.39333 -71.12837
# 704 02141 Cambridge    MA 42.37052 -71.08443
# 705 02142 Cambridge    MA 42.36230 -71.08412
# 776 02238 Cambridge    MA 42.44640 -71.45941
# 777 02239 Cambridge    MA 42.44640 -71.45941

Results