Boston and Cambridge August Bid Results Available Here Posted on August 13, 2019 Click on the links below to see the successful bidders in the most recent Boston (#204822) and Cambridge (#205020) City Carrier vacancies which closed on August 7th, 2019. Boston Posting #204822 City Carrier Cambridge Posting #205020 City Carrier Senior/successful bidders will assume new assignments effective Saturday, August 17th, 2019.