Description: U.S. National Atlas Airports represents airports in the United States, Puerto Rico, U.S. Virgin Islands, and U.S. Possessions with airport passenger enplanements of greater than or equal to 100 passengers per year.
Description: U.S. National Transportation Atlas Interstate Highways represents rural and urban interstate highways. U.S. National Transportation Atlas Interstate Highways is part of the National Highway Planning Network, published by the Federal Highway Administration as part of the National Transportation Atlas Databases for the United States.
Description: U.S. Telephone Area Code Boundaries represents the telephone area codes for the United States. They are also known as Numbering Plan Areas (NPA). The Numbering Plan Areas reflect current and accurate boundary changes both where new NPAs split from existing NPAs and where new NPAs overlay existing NPAs.