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Hamilton County Area Codes

About Hamilton County Area Codes

The county of Hamilton 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 Hamilton County include 513. The county mainly follows the America/New_York time zone.

Cities and towns served by these area codes in Hamilton County include Cincinnati, Norwood.

List of Area Codes in Hamilton County, Ohio

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


S.N. Area Code Cities Time Zone(s)
1 513 Cincinnati, Norwood 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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