Reference

All functions
city_names	US ZIP Cities
counties	US Counties
county_names	US County Names
people	Synthetic Sample of US population
state_abbs	US State Abbreviations
state_areas	US State Land Areas
state_capitals	US State Capitals
state_centers	US State Geographic Centers
state_convert()	Convert state identifiers
state_divisions	US State Census Divisions
state_facts	US State Facts
state_geo	US State Geography
state_ids	US State Identifiers
state_names	US State Names
state_regions	US State Census Regions
territory	US Territories
territory_abbs	US Territory Abbreviations
territory_areas	US Territory Areas
territory_centers	US Territory Geographic Centers
territory_names	US Territory Names
zip_centers	US ZIP Centers
zip_codes	US ZIP Codes
zipcodes	US ZIP Code Locations