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Unserved Wireless 3G Areas
This map shows those areas in US that lack 3G or better cellular coverage at the center of each census block according to January 2012 American Roamer data that contain road miles in any of nine road categories. Counties that contain any of these blocks are shaded light gray. On the Interactive map, as you zoom in and mouse over these counties you will see more information on these blocks, including population, road miles and the name and number of the Cellular Market Areas in which the blocks are located. Further zooming in allows you to see the US Census tracts that contain these blocks. These maps are not being updated and are scheduled for deletion.

US Map:

Unserved 3G Areas

source: fcc, For additional information visit

Interactive Map:
Zoom in and drag to your area of interest.