Getty / Instagram @kelleywolf Composite

Kelley Wolf was arrested after cops say she posted her estranged husband Scott 's phone number online ... leading to him receiving dozens of unwanted calls and texts.

TMZ has now reviewed the arrest affidavit from the incident ... in which a law enforcement officer says he responded to a call from Scott in Park City, Utah Tuesday after the actor received multiple messages from Kelley. Getty

The officer says he was talking with Scott when Scott began receiving a "barrage of phone calls and text messages from unknown people."

The officer says he went to Kelley's Instagram page, where he saw a post with the words "Let's let dimples field his own press?" and his phone number written out for her nearly 100K followers to see. Getty

The office

See Full Page