Boundaries

While viewing a map, you can add borders and labels to your map. Borders and labels are available for states, Designated Market Areas (DMAs), Congressional Districts, Metropolitan Areas (CBSAs), counties, cities and towns (Places), ZIP Codes, county subdivisions, census tracks and block groups.

Steps:
  1. From the More Maps dialog box, click Boundaries.
    Basemaps, Web Maps, My Web Maps and Boundaries
  2. In the Boundaries dialog box, click on the check box for the border and/or label you want and it appears on the map.