As noted in Public Notices DA 12-121 (pdf)
(released 2/2/2012) and DA 12-187 (pdf)
(released 2/10/2012), the links below will take you to data on census blocks potentially eligible for Mobility Fund Phase I support based on 2010 Census data and January 2012 American Roamer data.
All Potentially Eligible Areas (zip
State and Territory Spreadsheets