Longman Dictionary of Contemporary English
press office
noun
EXAMPLES FROM CORPUS
▪ A spokeswoman for President-elect Bush, said his press office was on holiday and had no immediate comment.
▪ But McGee said the plan was dropped after his clients learned the press office for Gov.
▪ Calls to the Pentagon press office were unanswered last night.
▪ For a time, the Northern Ireland army press office denied that such a force existed.
▪ She referred Bernstein to the press office.
▪ So I tried again, talking with Microwriter's press office.
▪ The chancery was a public relations office, a press office and a private office all in one.
Wiktionary
press office
n. A department within a company or organization with responsibility for dealing with the press.