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Warren County Area Codes

About Warren County Area Codes

The county of Warren County, located in Ohio, 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 Warren County include 513. The county mainly follows the America/New_York time zone.

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

List of Area Codes in Warren County, Ohio

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


S.N. Area Code Cities Time Zone(s)
1 513 Mason America/New_York


Related Area Code Pages

Explore related area code resources on Burning Compass:

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

County Area Codes in Ohio

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