ZIP codes in Houghton County
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- 49905 Atlantic MineHoughton County
- 49913 CalumetHoughton County
- 49916 ChassellHoughton County
- 49917 Copper CityHoughton County
- 49921 HoughtonHoughton County
- 49922 Dollar BayHoughton County
- 49930 HancockHoughton County
- 49931 HoughtonHoughton County
- 49934 HubbellHoughton County
- 49942 ZIP 49942Houghton County
- 49945 CalumetHoughton County
- 49952 NisulaHoughton County
- 49955 PainesdaleHoughton County
- 49958 PelkieHoughton County
- 49961 SidnawHoughton County
- 49963 South RangeHoughton County
- 49965 ToivolaHoughton County