Property

Rural Urban Continuum Codes: A classification scheme that distinguishes metropolitan counties by size and nonmetropolitan counties by degree of urbanization and proximity to metro areas composed by the USDA Economic Research Service. (Free)
ZIP Code Lookup and Address Information: The official website of the U.S. Post Office provides users with zip code and address information. (Free)

Access Guide:

(Free): Available to everyone.
(Law): Available only within the Law School.
(Univ): Available to anyone at Elon University.