<P> Area code 845 is a telephone area code straddling the Hudson Valley region of the U.S. state of New York . 845 serves Rockland , Putnam , Orange , and Ulster counties , and parts of Dutchess and Sullivan , Delaware , Greene , and Columbia counties . Area code 845 was created on June 5 , 2000 , from most of area code 914 , which was retained by Westchester County . It is the only area code to serve communities in both Upstate and Downstate NY . </P>
where is area code 845 located in usa
the Hudson Valley region of the U.S. state of New York