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Marshall County Area Codes

About Marshall County Area Codes

The county of Marshall County, located in Iowa, is served by 1 telephone area code(s) in this dataset. These calling codes cover cities, suburbs, and unincorporated communities across the county.

Major phone area codes used in Marshall County include 641. The county mainly follows the America/Chicago time zone.

Cities and towns served by these area codes in Marshall County include Marshalltown.

List of Area Codes in Marshall County, Iowa

The table below lists all telephone area codes used in Marshall County, Iowa, along with their associated cities and time zones from this dataset.


S.N. Area Code Cities Time Zone(s)
1 641 Marshalltown America/Chicago


Related Area Code Pages

Explore related area code resources on Burning Compass:

  • All area codes in Iowa
  • Individual area code details are available from the table above.

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