Description: The NAD is a spatial database containing address data, point location coordinates, jurisdictions, record level metadata and other supporting data for addressable locations including structures, some sub-units within those structures and landmarks as included in the aggregated datasets from providers included therein. Its coverage includes twenty-six whole and partial coverage states, including Arizona, Arkansas, Colorado, Connecticut, Delaware, Indiana, Iowa, Kansas, Maine, Maryland, Massachusetts, Montana, New Jersey, New Mexico, New York, North Carolina, Ohio, Rhode Island, Tennessee, Texas, Utah, Vermont, Virginia and Wisconsin, and the District of Columbia, as well as variable numbers of counties and cities in several states, and one American Indian Reservation: Anchorage Municipality, Haines and Matanuska-Susitna Boroughs, Yakutat City and Borough, and Dillingham City, Alaska; Merced County, California; East Baton Rouge and Terrebonne Parishes, Louisiana; Anoka, Carver, Chisago, Dakota, Hennepin, Isanti, Le Sueur, Ramsey, Scott, Sherburne and Washington Counties, Minnesota; Boone, Christian, Cole, Greene, Jasper, St. Charles, St. Louis, Stone and Taney Counties, and Independence City, Missouri; Blair County, Pennsylvania; York County, South Carolina; Sioux Falls City and Rosebud Sioux Reservation, South Dakota; Big Horn, Campbell, Crook, Fremont, Laramie, Sublette and Teton Counties, Wyoming.
Copyright Text: US Department of Transportation
855-368-4200
1200 New Jersey Avenue, SE
Washington, DC 20590
nad@dot.gov
US Census Bureau
301-763-1128
4600 Silver Hill Road
Washington, DC 20233
geo.geography@census.gov