Below is a list of Ayr ND zip codes. For your research we have also included Ayr Area Code, Time Zone, UTC and the local Cass County FIPS Code. Each Ayr North Dakota zip code has a center Longitude / Latitude point (the Ayr center is -97.490699768066 / 47.041801452637). For your convenience we have also indicated if that zip code in Ayr observes Daylight Savings time.