Below is a list of Swan Lake MT zip codes. For your research we have also included Swan Lake Area Code, Time Zone, UTC and the local Flathead County FIPS Code. Each Swan Lake Montana zip code has a center Longitude / Latitude point (the Swan Lake center is -113.96499633789 / 47.881900787354). For your convenience we have also indicated if that zip code in Swan Lake observes Daylight Savings time.