Below is a list of Katonah NY zip codes. For your research we have also included Katonah Area Code, Time Zone, UTC and the local Westchester County FIPS Code. Each Katonah New York zip code has a center Longitude / Latitude point (the Katonah center is -73.685302734375 / 41.258800506592). For your convenience we have also indicated if that zip code in Katonah observes Daylight Savings time.