A cable television operator says it is “proactively engaging with customers” amid a contract dispute with MSG Network that has forced blackouts of New York sports games. The

Attorneys general from three states are demanding that cable company Optimum automatically refund customers who paid for MSG Network cable channels, but who have been denied access to the programming since the start of January.

New York Attorney General Letitia James and two other area attorneys general sent a letter to Altice USA, parent company of Optimum TV, on Thursday calling for refunds for customers who have been without MSG Networks since Jan.