The company had originally planned to close around 400 stores.
The closures are in an effort to save money as Blockbuster faces tough competition from Netflix and Redbox.
There are currently about 4300 Blockbuster stores in the US.
Blockbuster to close stores
September 15, 2009 Court documents filed on Tuesday show Blockbuster is planning to shut down as many as 960 stores by the end of next year.
