US ZIP Centers

Source: R/data.R

A list with components named x and y giving the approximate geographic center of each ZIP code in negative longitude and latitude.

zip.center

Format

A list of length two, each element a numeric vector of length 44336.

x

Center longitudinal coordinate

y

Center latitudinal coordinate

Source

Daniel Coven's web site and the CivicSpace US ZIP Code Database written by Schuyler Erle schuyler@geocoder.us, 5 August 2004.