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Dubuque County Area Codes

About Dubuque County Area Codes

The county of Dubuque 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 Dubuque County include 563. The county mainly follows the America/Chicago time zone.

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

List of Area Codes in Dubuque County, Iowa

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


S.N. Area Code Cities Time Zone(s)
1 563 Dubuque 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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