Below is a list of Mountain Dale NY zip codes. For your research we have also included Mountain Dale Area Code, Time Zone, UTC and the local Sullivan County FIPS Code. Each Mountain Dale New York zip code has a center Longitude / Latitude point (the Mountain Dale center is -74.531402587891 / 41.689399719238). For your convenience we have also indicated if that zip code in Mountain Dale observes Daylight Savings time.