Zip Area Code

Iron Mountain Lake, Missouri

No ZIP code carries the name of Iron Mountain Lake, Missouri, in St. Francois County; the nearest ZIP codes are 63624 and 63663, in area code 573, with 235 as an overlay.

Nearest ZIP
63624, 63663
Area codes
573, 235
Time zone
Central Time
Coordinates
37.6909, -90.6217

Nearest ZIP codes to Iron Mountain Lake

These are the ZIP codes nearest to Iron Mountain Lake, each listed with the post office it is named after.

ZIP codePost officeCountyArea codes
63624BismarckSt. Francois County573, 235
63663Pilot KnobIron County573, 235

Area codes for Iron Mountain Lake

  • Area code 573

    In service since January 7, 1996. Shares its area with 235. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

  • Area code 235

    In service since March 24, 2024. Shares its area with 573. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

Area codes here are matched from telephone rate centers, so a place near a boundary can have local numbers from either side of it.

Time zone

Iron Mountain Lake is in the Central Time zone.

Towns near Iron Mountain Lake