Online video streaming service Netflix says it will expand into Australia and New Zealand next March.

The successful US entertainment service charges a fee to watch television series and movies ad-free and also produces original television content, including House of Cards and Orange Is the New Black.

Netflix launched in 2007 and currently has more than 53 million members in what will soon become more than 50 countries.

The company said in a statement that "internet-connected users ... will be able to subscribe to Netflix and instantly watch a curated selection of popular movies and TV shows in high-definition or even 4K where available."

Members with a broadband connection will be able to watch any available program, when and where they like, on any Netflix-ready device they choose, the statement said.

The service will initially be available on smart TVs, tablets, smartphones, computers and a range of internet-capable game consoles and set-top boxes.

Details of pricing ahead of the Australia and New Zealand launch have not yet been released.

Choice spokesman Matt Levy said prices would fall as competition ramped up.

"There is no doubt we will see a fight, and we already are seeing services like Stan and certainly Foxtel's pricing changes and different sorts of packages already hitting the market," he said.

"So there's been an anticipation of this for while and you would expect that that will continue."

Australian residents are currently blocked from accessing the US website, but it was estimated as many as 200,000 people were getting around the geoblock to sign up.