The phrase "congressional offices" refers to the offices or workplaces of members of the United States Congress, where they work and carry out their responsibilities as representatives or senators. Full definition
Thirty - six fellows will be working in congressional offices, and the remaining fellows will be working in 21 executive and judicial branch agencies. (aaas.org)
Many federal staffers from Congressional offices and important committees attended the reception. (petproductnews.com)
Due to improved technology many congressional offices recommend sending e-mail through their websites, however, personal letters are also effective. (magnetschools.info)