Some US government employees from the US Embassy in Baghdad and its consulate in Erbil have been ordered to leave Iraq.
In a statement, the US State Department said: "Normal visa services at both posts will be temporarily suspended".
A US State Department spokesman said the decision to withdraw the staff was based on escalating tensions between Washington and Iran.
He, however, didn't give details on how many personnel were leaving.
US objectives in Iran have not changed, says Hegseth
The US objectives in its war against Iran have not changed since strikes started on February 28, Defence Secretary Pete Hegseth said on Thursday, and he accused the media of stirring up concerns that the country risked being locked in an open-ended conflict with shifting priorities.
Trump vows no more attacks by Israel on Iran gas field
US President Donald Trump said an angry Israel "violently lashed out" and attacked Iran's major gas field, a significant escalation in the US-Israeli war, but ruled out further such attacks by Israel unless Iran retaliated further.
Trump hails Japanese leader, says Tokyo 'really stepping up to the plate' on Iran
US President Donald Trump greeted Japan's Prime Minister Sanae Takaichi warmly at the White House on Thursday and said he believed Japan was "really stepping up to the plate" on Iran.
Israel reopens key Gaza crossing amid new truce push
Israel reopened the Rafah crossing with Egypt on Thursday after nearly three weeks to allow some wounded Palestinians to leave for treatment, after Gaza medics said Israeli strikes had killed four people in the enclave.
Oman condemns attacks on UAE, Qatar, Saudi Arabia
Oman has strongly condemned Iranian attacks targeting energy facilities in the UAE and Qatar, as well as strikes on Saudi Arabia.
