LATA Boundaries
This layer consists of polygon boundaries that represent the 3-digit Local Access and Transport
Areas (LATAs) that were created as part of the 1984 AT&T Divestiture process. LATAs are
regulatory boundaries unique to the telecom industry, and define when it is necessary to use a
long distance carrier. Generally, each LATA contains a single major metropolitan area.
Coverage
Coverage includes the U.S. 50 states; D.C.
