Area Code 283
Area code 283 covers Cincinnati and nearby cities including Hamilton, Middletown, Fairfield in Ohio, in the Eastern Time.
Area code 283 quick facts
| Location | Cincinnati, Ohio |
|---|---|
| Time zone | Eastern Time |
| In service | 2023-04-28 |
| Overlay codes | 513 |
| Nearby codes | 513, 326, 937, 859, 502, 761 |
| Carrier coverage | 47 prefixes; 50% wireless |
| FTC complaint data | 16 complaints across 3 numbers |
| Data current as of | August 2, 2026 |
Area code 283 is one of the newest NANP area codes
Area code 283 is one of the most recently added codes in the North American Numbering Plan, in service since April 28, 2023. It is an overlay that shares its territory with 513, adding fresh numbers as those codes fill up. Existing numbers in the area keep their codes; only new phone lines may be issued a 283 number.
Because 283 is new and unfamiliar, some people are wary when it appears on caller ID and search for “who called me from 283?” An area code only shows where a number is registered, and any number can be spoofed — so a 283 call is not suspicious on its own. Judge each call by what it asks for, not the code. Is a call from 283 a scam?
Is a call from 283 a scam? Who called me from 283?
FTC complaints involving 283 numbers
Numbers shown with area code 283 in the FTC's Do Not Call “Reported Calls” database (recent reporting window). Most common reported reasons: “Reducing your debt (credit cards, mortgage, student loans)”, “Other”.
Most-complained 283 numbers:
- (283) 228-0835 — 10 complaints
- (283) 999-3365 — 3 complaints
- (283) 888-3350 — 3 complaints
These are FTC Do Not Call complaints filed about specific numbers shown with this area code — frequently spoofed. The area code itself is not a scam. See the most-reported area codes and the most-reported phone numbers nationwide.
Cities in area code 283
Cincinnati, Hamilton, Middletown, Fairfield, Mason, Norwood, Oxford
Area codes by city
Carriers in area code 283
Area code 283 spans 47 prefixes, about 50% wireless. Top carriers: ONVOY, LLC - OH, NEW CINGULAR WIRELESS PCS, LLC - IL, T-MOBILE USA, INC., ONVOY SPECTRUM, LLC. Look up the carrier and line type for a 283 number.
Other Ohio area codes
- 216 — Cleveland
- 220 — Athens
- 234 — Akron
- 326 — Dayton
- 330 — Akron
- 380 — Columbus
- 419 — Toledo
- 436 — Parma
- 440 — Hillcrest
- 513 — Cincinnati
- 567 — Toledo
- 614 — Columbus
- 740 — Newark
- 937 — Dayton
Nearby area codes
Frequently asked questions
Where is area code 283?
Area code 283 covers Cincinnati and nearby cities including Hamilton, Middletown, Fairfield in Ohio, in the Eastern Time.
What cities use area code 283?
Area code 283 serves Cincinnati, Hamilton, Middletown, Fairfield, Mason, and 2 other communities in Ohio.
What time zone is area code 283 in?
Area code 283 is in the Eastern Time (America/New_York).
How do you dial a 283 number?
Dial all 10 digits: 283 followed by the 7-digit local number. From abroad, dial +1 283 and the local number.
Is a call from area code 283 a scam?
A 283 number is geographically tied to Ohio, but caller ID can be spoofed, so the displayed area code does not prove where a caller really is. If you did not expect the call, do not share personal information and consider looking the number up.
Is 283 a country code?
No. 283 is a US area code (a domestic 3-digit code), not a country code. The country (calling) code for the United States is +1, shared across the North American Numbering Plan. So a full 283 number written for international dialing looks like +1 283 followed by the 7-digit local number.
Sourced from the official NANPA (North American Numbering Plan Administrator) numbering database, current as of August 2, 2026. Refreshed monthly.