283 area code
Area code 283 is in Ohio, including Cincinnati, Hamilton, Mason and Middletown. It's on Eastern Time.
283 is an overlay area code: it was added on top of 513 and covers the same area, so new numbers there can get either code.
Eastern Time
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Business hours are taken as 9 AM to 5 PM on weekdays. US telemarketing rules only allow sales calls between 8 AM and 9 PM local time.
Cities in area code 283
| City | Time zone |
|---|---|
| Cincinnati, OH | Eastern Time |
| Hamilton, OH | Eastern Time |
| Mason, OH | Eastern Time |
| Middletown, OH | Eastern Time |
| Milford, OH | Eastern Time |
| Lebanon, OH | Eastern Time |
| West Chester, OH | Eastern Time |
| Fairfield, OH | Eastern Time |
| Harrison, OH | Eastern Time |
| Monroe, OH | Eastern Time |
| Oxford, OH | Eastern Time |
| Batavia, OH | Eastern Time |
Other area codes in Ohio
More: look up another area code · time zone converter · US time zones map
Questions people ask
Where is area code 283?
Area code 283 is in Ohio, including Cincinnati, Hamilton, Mason and Middletown.
What time zone is area code 283?
283 is on Eastern Time (UTC−5, UTC−4 in summer).
What time is it in area code 283 right now?
The live clock at the top of this page shows the current local time in area code 283.