Area code
Area code 937 — Dayton, OH
Ohio · in service since September 28, 1996
Area code 937 covers parts of Ohio; the place with the most of its prefixes is Dayton. It is an overlay: 326 serves the same area, so neighbors can have different area codes.
Overlay, same area: 326
Local time in Dayton
Spam reports from Sep 23 – Oct 22, 2026
Average #162 of 461 codes
570 FTC complaints
Consumer reports, not verified by the FTC.
See the reports- Time zoneEastern Time
- Local calls10 digits
- Prefixes798 assigned
- Runs out~4Q 2083
- Unwanted call?Block & report
Spam call reports about 937 numbers
Complaints by week
Sep 11 – Oct 22, 2026Show as table
| Week starting | Complaints |
|---|---|
| Sep 7 (3 days) | 33 |
| Sep 14 | 152 |
| Sep 21 | 134 |
| Sep 28 | 152 |
| Oct 5 | 133 |
| Oct 12 | 98 |
| Oct 19 (4 days) | 87 |
Compared with all codes
- Robocalls
- 74%all codes 75%
- Callers with the same code
- 44%all codes 35%
- Rank by complaints
- #162of 461 · middle half
- FCC complaints, Oct 2025 – Sep 2026
- 9714 about text messages
What the calls were about
Sep 11 – Oct 22, 2026
| Subject | Complaints | |
|---|---|---|
| Reducing your debt (credit cards, mortgage, student loans) | 180 23% | |
| Calls pretending to be government, businesses, or family and friends | 98 12% | |
| Dropped call or no message | 72 9% | |
| Medical & prescriptions | 30 4% | |
| Home improvement & cleaning | 20 3% | |
| Warranties & protection plans | 9 1% |
Where the people who complained live
Sep 11 – Oct 22, 2026
| State | Complaints | |
|---|---|---|
| Ohio | 447 57% | |
| California | 38 5% | |
| Florida | 30 4% | |
| Texas | 25 3% | |
| New York | 20 3% |
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 937 location and prefixes
| Exchange (NANPA) | Place | County | Prefixes |
|---|---|---|---|
| DAYTON | Dayton | spans 2 counties | 251 |
| SPRINGFLD | Springfield | Clark County | 42 |
| BEAVERCREK | Beavercreek | Greene County | 19 |
| XENIA | Xenia | Greene County | 19 |
| BELLEFNTAN | Bellefontaine | Logan County | 18 |
| MARYSVILLE | Marysville | Union County | 17 |
| SIDNEY | Sidney | Shelby County | 17 |
| WILMINGTON | Wilmington | Clinton County | 17 |
| FAIRBORN | Fairborn | Greene County | 15 |
| GREENVILLE | Greenville | Darke County | 15 |
Plus 113 smaller exchange areas.
Source: NANPA CO codes of Oct 23, 2026; places: U.S. Census Bureau, matched by DialWhere (how).
Is 937 running out of numbers?
Previous forecast (October 2025): 2075, moved later by 8 years.
Forecast exhaust year by edition
Source: NANPA NRUF forecast, April 2026 edition.
Who holds 937 prefixes
The five largest of 50 original holders
As listed by NANPA, not today’s carrier.
| Holder (as listed) | Prefixes | |
|---|---|---|
| Ohio Bell Tel Co. | 158 20% | |
| New Cingular Wireless PCS, LLC | 73 9% | |
| T-Mobile USA, Inc. | 64 8% | |
| Verizon Wireless | 61 8% | |
| Brightspeed Of Northwest Ohio, Inc. | 55 7% |
Source: NANPA CO codes of Oct 23, 2026.
Questions about area code 937
What area code is 937?
An Ohio area code, in service since September 28, 1996.
Where is 937 area code, and what time zone is it in?
Dayton, OH; Eastern Time.
Why am I getting spam calls from 937?
570 FTC complaints from Sep 23 – Oct 22, 2026, most often about debt reduction (not verified by the FTC; caller ID can be spoofed).
Will 937 get a new area code?
NANPA forecasts exhaust in 4Q 2083; no relief planning listed.