14th Floor P/t Furnished Offices Available At The Prime Midtown East Location Of 280 Madison Avenue. Steps Away From Grand Central Station and Bryant Park Subway Stops. These Offices are Located in Our Penthouse Suite and are Available Immediately. Great Rates Available Through The 15th Of The Month!1403b: 160 Sq Ft. Mondays $400 Month; Fridays $400/month; Saturdays $250 Month; Sundays $250 Month.1405: 225 Sq Ft. Mondays $430/month; Thursdays $450/mth; Fridays $430/mth; Saturday $275/mth Sundays $275/mth280 Madison Avenue (@ 40th Street)