13 stadiums were used during the 1956 NFL season. Isolated games and short term temporary home fields are not necessarily included.
1925-1956
Packers
(NFL)
1950-1970
49ers
(NFL)
1953-1983
Colts
(NFL)
1937-1960
Redskins
(NFL)
1953-1994
Packers
(NFL)
1946-2019
Rams
(NFL)
1956-1972
Giants
(NFL)
1921-1970
Staleys
(NFL)
1922-1958
Cardinals
(NFL)
1933-1962
Pirates
(NFL)
1940-1957
Eagles
(NFL)
1938-1974
Lions
(NFL)
1950-1995
Browns
(NFL)
I sincerely appreciate the research work, and the information being shared. It is important and interesting history.