The 937 area code covers Dayton, Springfield and 106 more places in Ohio.
Area code 937 is in Ohio, on Eastern Time. In the 937 area, phone numbers are given out most in Montgomery County, then Clark and Greene counties. It has been in service since September 28, 1996. 326 covers the same area, so two neighbours can have different area codes.
- Where
- 8 counties in Ohio, mostly Montgomery County, Clark County and Greene County
- Time zone
- Eastern Time
- In service since
- September 28, 1996
- Shares its area with
- 326 (since 2020)
- Prefixes in use
- 780
- How to dial
- Local calls need all 10 digits: 937-555-0142.
Find out who called you from a 937 number.
Enter the full 10-digit number to see who it is listed to and the city and state on the listing. It is the same free check as our who called me lookup. To see only the caller ID name on the number, use our free CNAM lookup. To see whether it is a mobile, a landline or a VoIP line, use our free VoIP checker. To see which carrier a (937) number is on today, use our free carrier lookup.
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Dayton holds 32% of the phone prefixes in area code 937.
A prefix is the three digits after the area code, and NANPA assigns each one to a town. Counting the 780 prefixes in use shows where 937 numbers are actually given out.
- Dayton251 prefixes, 32%
- Springfield42 prefixes, 5%
- Xenia19 prefixes, 2%
- Bellefontaine18 prefixes, 2%
- Marysville17 prefixes, 2%
- Wilmington17 prefixes, 2%
- Sidney17 prefixes, 2%
- Fairborn15 prefixes, 2%
Also served: Piqua, Greenville, Troy and Vandalia and 96 smaller places.
Ohio Bell (AT&T) holds the most phone number prefixes in area code 937: 159 of 780.
NANPA, which runs the North American numbering plan, assigns each prefix (the three digits after the area code) to one carrier. Here is how the 780 prefixes in use in 937 divide between carriers; holders this page does not name are grouped as other carriers.
| Carrier | Prefixes | Share |
|---|---|---|
| Ohio Bell (AT&T)AT&T's landline company | 159 | 20% |
| AT&T MobilityMobile network | 73 | 9% |
| T-MobileMobile network | 72 | 9% |
| Level 3 (Lumen)Lumen's business and wholesale network | 69 | 9% |
| BrightspeedLandline company | 56 | 7% |
| FrontierLandline company | 53 | 7% |
| 38 other carriers | 298 | 38% |
70% of these prefixes are pooled, which means the blocks of 1,000 numbers inside them can belong to other carriers. Any number can also have been moved to another carrier since, so this shows who holds the prefixes, not who serves a given number.
Want the carrier of one exact number? Our free carrier lookup checks it, because numbers move between carriers.
Source: NANPA central office code assignments, October 1, 2026.
937 has been overlaid once since 1996.
1996
937 starts on September 28, 1996, split off from 513.
2020
On March 8, 2020, 326 is added on top of 937, so new numbers here can get either code.
A 937 number on your screen can still be a scam, because caller ID is easy to fake.
- Let an unknown call go to voicemail. A real caller leaves a message; a robocaller usually does not.
- Look the number up with the box above before you call back, because calling back tells a robocaller your line is live.
- Hang up on anyone who wants gift cards, crypto or a wire transfer, or asks you to read out a code that was just texted to you.
- Report unwanted robocalls at reportfraud.ftc.gov, or paste a suspicious message into our free scam checker.
The area codes closest to 937 are 513, 614 and 419.
This list measures the distance between the centres of each area, across state lines, and shows codes that share one area together.
These are the questions people ask most about area code 937.
Where is area code 937?
937 covers Dayton, Springfield, Xenia and Bellefontaine and 104 more places in Ohio. In the 937 area, phone numbers are given out most in Montgomery County, then Clark and Greene counties.
What state is area code 937 in?
Ohio. 937 is an Ohio area code on Eastern Time.
What cities use area code 937?
The places holding the most 937 prefixes are Dayton, Springfield, Xenia, Bellefontaine, Marysville, Wilmington, Sidney and Fairborn, out of 108 places in all. The count comes from NANPA's prefix assignments as of October 1, 2026.
Which phone company owns area code 937?
No single phone company owns 937. NANPA's records show Ohio Bell (AT&T) holds the most 937 prefixes, 159 of 780, followed by AT&T Mobility and T-Mobile. Numbers move between carriers, so check one exact number with a carrier lookup.
What time zone is area code 937 in?
937 is on Eastern Time.
When did area code 937 start?
937 went into service on September 28, 1996, when it was split off from 513.
Is 937 the same area as 326?
Yes. 326 (since 2020) covers the same ground as 937. Nobody's number changed when it was added; new lines simply get whichever code has numbers left, so two neighbours can have different codes.
How do I dial a 937 number?
Local calls need all 10 digits: 937-555-0142.
Is 937 a toll-free number?
No. 937 is a regular area code for Dayton and Springfield in Ohio, not a toll-free one. The toll-free codes in North America are 800, 833, 844, 855, 866, 877 and 888.
What area codes are near 937?
The closest are 513/283 (Cincinnati, Ohio), 614/380 (Columbus, Ohio), 419/567 (Toledo, Ohio) and 740/220 (Newark, Ohio), measured between the centres of each area.
Who called me from a 937 number?
Enter the full 10-digit number in the lookup above. It returns the listed owner where there is a public record, where the number is registered, and whether it is a mobile, a landline or a VoIP line.
Is area code 937 a scam?
937 is a real Ohio area code, so the code itself is not a warning sign. Scam callers fake local-looking numbers on purpose, so judge the call by what the caller asks for, and look the number up before calling back.
Put this lookup on your site: our free area code widget takes two lines of code and shows any US area code's state, time zone and local time.
Source: NANPA, the North American Numbering Plan Administrator: its area code database and prefix assignments, as of October 1, 2026.