The phrase "contact until" is not correct in written English.
To use the word "until," you would need to use the phrase in a sentence such as "We will need to stay in contact until the project is finished."
They had no contact until after Assange turned 25.
"There was a lot of contact until it was destroyed.
Steve tried to keep eye contact until they pulled the trigger.
The process continues, often with negotiations and direct contact, until the client makes a selection.
She remained a source of dependable help, in contact until the end.
I had a similar problem with eye contact until I found a simple solution: a smile.
I will be in continual contact until I am back in London.
Structures and functions rarely came into contact until a program was actually running on a computer.
But they had not been in contact until Mr. Armstrong proposed "Foreverly".
They had no contact until December 2006 when he was shocked to receive an e-mail message from her.
My wife vetoed that idea, and insisted that I make no contact until I knew what I was dealing with.
