IRON MOUNTAIN Zip Code (SD)

The Zipcode for Iron Mountain is . Iron Mountain is in Lyman, South Dakota in the Upper Plains region of the USA. It is located about 42 miles southeast of SD's capital city of Pierre.

• Same zip code Suburbs Houston, Kennebec

• Similar named locations
  Iron Mountain (CA) is 1107 miles west-southwest.
  Iron Mountain (MI) is 591 miles east-northeast.
  Iron Mountain (MO) is 648 miles southeast.
  Iron Mountain (WY) is 314 miles southwest.
  

• Qpzm Zip Codes South Dakota Suburb of the Day: Nowlin -> Haakon -> South Dakota