Build a ZIP crosswalk from the zipcodeR package

Convenience wrapper around zipcodeR::zip_code_db (no download needed) that returns a zip5-keyed lookup for np_augment_geo().

Usage

np_load_zipcode_db(cols = c("county", "state", "major_city"))

Arguments

cols

Columns to carry from zip_code_db. Default county / state / primary city.

Value

A data frame with zip5 and the requested columns.