France's centre-right UMP party and its allies have taken first place in the first round of local elections, partial results show.
President Francois Hollande's governing Socialists came third with about 20%.
Voters are electing representatives in 101 departments, or counties, charged with issues like schools and welfare.
The results mean the second round on 29 March will see a run-off between the UMP and the FN in many constituencies.
In the past, voters for rival parties have combined in the second round to keep the far right out.
Read more: BBC News - France local elections: conservatives hold off National Front