Zip Area Code

Duncan, Iowa

No ZIP code carries the name of Duncan, Iowa, in Hancock County; the nearest ZIP code is 50438, in area code 641.

Nearest ZIP
50438
Area code
641
State
Iowa
Time zone
Central Time
Coordinates
43.1082, -93.7021

Nearest ZIP codes to Duncan

This is the ZIP code nearest to Duncan, each listed with the post office it is named after.

ZIP codePost officeCountyArea codes
50438GarnerHancock County641

Area code for Duncan

  • Area code 641

    In service since July 9, 2000. Local calls are dialed with seven digits.

Time zone

Duncan is in the Central Time zone.

Towns near Duncan