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Black Hawk County Area Codes

About Black Hawk County Area Codes

The county of Black Hawk 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 Black Hawk County include 319. The county mainly follows the America/Chicago time zone.

Cities and towns served by these area codes in Black Hawk County include Cedar Falls, Waterloo.

List of Area Codes in Black Hawk County, Iowa

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


S.N. Area Code Cities Time Zone(s)
1 319 Cedar Falls, Waterloo 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.

County Area Codes in Iowa

  1. Black Hawk County Area Codes
  2. Cerro Gordo County Area Codes
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