Whistleblower (The Office) fourth appearance on the show, after first appearing in "Sabre". Zach Woods made his ninth appearance on the show. While talking with his real estate agent on his cellphone, Dwight states that the office park is 1725 Slough Avenue. "Slough" is a reference to the UK edition of "The Office" which is set in Slough, United Kingdom. In its original American broadcast, "Whistleblower" was viewed by an estimated 6.60 million viewers with a 3.4 rating/10% share in the 18–49 demographic coming second in its timeslot after the season finale of "Grey's Anatomy", receiving the same rating as last week's episode,
Old Town Main Post Office terrazzo marble flooring, marble wainscoting, wooden trim, and transoms above the service counter and mailboxes. The building has undergone restoration. Old Town Main Post Office The Old Town Main Post Office is located at 141 Center Street in Old Town, Maine. The Classical Revival building was an early design of the Office of the Supervising Architect under Oscar Wenderoth. Its design was completed in 1912 and construction in 1914 under the provisions of the Tarsney Act. It was listed on the National Register of Historic Places in 1986. The Old Town Main Post Office is set on the north side