Area code
Area code 283 — Cincinnati, OH
Ohio · in service since April 28, 2023
Area code 283 covers parts of Ohio; the place with the most of its prefixes is Cincinnati. It is an overlay: 513 serves the same area, so neighbors can have different area codes.
Overlay, same area: 513
Local time in Cincinnati
Spam reports from Sep 23 – Oct 22, 2026
Low #390 of 461 codes
53 FTC complaints
Consumer reports, not verified by the FTC.
See the reports- Time zoneEastern Time
- Local calls10 digits
- Prefixes62 assigned
- Runs out~3Q 2073
- Unwanted call?Block & report
Spam call reports about 283 numbers
Complaints by week
Sep 11 – Oct 22, 2026Show as table
| Week starting | Complaints |
|---|---|
| Sep 7 (3 days) | 6 |
| Sep 14 | 14 |
| Sep 21 | 11 |
| Sep 28 | 20 |
| Oct 5 | 12 |
| Oct 12 | 2 |
| Oct 19 (4 days) | 12 |
Compared with all codes
- Robocalls
- 69%all codes 75%
- Callers with the same code
- 3%all codes 35%
- Rank by complaints
- #390of 461 · bottom quarter
- FCC complaints, Oct 2025 – Sep 2026
- 111 about text messages
What the calls were about
Sep 11 – Oct 22, 2026
| Subject | Complaints | |
|---|---|---|
| Dropped call or no message | 12 16% | |
| Reducing your debt (credit cards, mortgage, student loans) | 11 14% | |
| Calls pretending to be government, businesses, or family and friends | 6 8% | |
| Medical & prescriptions | 6 8% | |
| Vacation & timeshares | 3 4% | |
| Home improvement & cleaning | 1 1% |
Where the people who complained live
Sep 11 – Oct 22, 2026
| State | Complaints | |
|---|---|---|
| Ohio | 43 56% | |
| California | 5 6% | |
| Florida | 5 6% | |
| Illinois | 4 5% | |
| Nebraska | 3 4% |
October 2026 (partial) report · most reported
Consumer reports, not verified by the FTC · source
Source: FTC Do Not Call complaints created Sep 11 – Oct 22, 2026. They are reported by consumers and are not verified by the FTC; caller ID can be spoofed (how we count).
Source: FCC Consumer Complaints data, unwanted calls filed Oct 1, 2025 – Sep 30, 2026, by caller ID; not verified by the FCC.
Area code 283 location and prefixes
| Exchange (NANPA) | Place | County | Prefixes |
|---|---|---|---|
| CINCINNATI | Cincinnati | Hamilton County | 14 |
| HAMILTON | Hamilton | Butler County | 6 |
| CLERMONT | — | — | 3 |
| LTL MIAMI | — | — | 3 |
| LEBANON | Lebanon | Warren County | 2 |
| MASON | Mason | Warren County | 2 |
| MIDDLETOWN | Middletown | spans 2 counties | 2 |
| TRENTON | Trenton | Butler County | 2 |
| BETHANY | — | — | 1 |
| BETHEL | Bethel | Clermont County | 1 |
Plus 12 smaller exchange areas.
Source: NANPA CO codes of Oct 23, 2026; places: U.S. Census Bureau, matched by DialWhere (how).
NANPA record
- Location
- Ohio
- Assigned by NANPA
- October 31, 2000
- Local dialing
- 10 digits (NANPA: 10D)
- NANPA planning letters
- PL-579, PL-316, PL-286, PL-264
Source: NANPA, NPA database of Oct 24, 2026.
Is 283 running out of numbers?
Previous forecast (October 2025): 2068, moved later by 5 years.
Forecast exhaust year by edition
Source: NANPA NRUF forecast, April 2026 edition.
Who holds 283 prefixes
The five largest of 16 original holders
As listed by NANPA, not today’s carrier.
| Holder (as listed) | Prefixes | |
|---|---|---|
| Onvoy, LLC | 19 31% | |
| Multiple Ocn Listing | 9 15% | |
| New Cingular Wireless PCS, LLC | 9 15% | |
| 5 8% | ||
| Wide Voice, LLC | 5 8% |
Source: NANPA CO codes of Oct 23, 2026.
Questions about area code 283
What area code is 283?
An Ohio area code, in service since April 28, 2023.
Where is 283 area code, and what time zone is it in?
Cincinnati, OH; Eastern Time.
Why am I getting spam calls from 283?
53 FTC complaints from Sep 23 – Oct 22, 2026, most often about dropped calls or no message (not verified by the FTC; caller ID can be spoofed).
Will 283 get a new area code?
NANPA forecasts exhaust in 3Q 2073; no relief planning listed.