The 740 area code covers Newark, Lancaster and 166 more places in Ohio.
Area code 740 is in Ohio, on Eastern Time. In the 740 area, phone numbers are given out most in Licking County, then Fairfield and Muskingum counties. It has been in service since December 6, 1997. 220 covers the same area, so two neighbours can have different area codes.
- Where
- 8 counties in Ohio, mostly Licking County, Fairfield County and Muskingum County
- Time zone
- Eastern Time
- In service since
- December 6, 1997
- Shares its area with
- 220 (since 2015)
- Prefixes in use
- 786
- How to dial
- Local calls need all 10 digits: 740-555-0142.
Find out who called you from a 740 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 (740) number is on today, use our free carrier lookup.
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Newark holds 4% of the phone prefixes in area code 740.
A prefix is the three digits after the area code, and NANPA assigns each one to a town. Counting the 786 prefixes in use shows where 740 numbers are actually given out.
- Newark33 prefixes, 4%
- Lancaster29 prefixes, 4%
- Portsmouth28 prefixes, 4%
- Zanesville25 prefixes, 3%
- Athens23 prefixes, 3%
- Marion21 prefixes, 3%
- Chillicothe20 prefixes, 3%
- Delaware19 prefixes, 2%
Also served: Steubenville, Saint Clairsville, Mount Vernon and Marietta and 156 smaller places.
Frontier holds the most phone number prefixes in area code 740: 123 of 786.
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 786 prefixes in use in 740 divide between carriers; holders this page does not name are grouped as other carriers.
| Carrier | Prefixes | Share |
|---|---|---|
| FrontierLandline company | 123 | 16% |
| Ohio Bell (AT&T)AT&T's landline company | 105 | 13% |
| Level 3 (Lumen)Lumen's business and wholesale network | 67 | 9% |
| T-MobileMobile network | 65 | 8% |
| AT&T MobilityMobile network | 62 | 8% |
| WindstreamLandline company | 40 | 5% |
| 32 other carriers | 324 | 41% |
83% 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.
740 has been overlaid once since 1997.
1997
740 starts on December 6, 1997, split off from 614.
2015
On April 22, 2015, 220 is added on top of 740, so new numbers here can get either code.
A 740 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 740 are 614, 937 and 330.
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 740.
Where is area code 740?
740 covers Newark, Lancaster, Portsmouth and Zanesville and 164 more places in Ohio. In the 740 area, phone numbers are given out most in Licking County, then Fairfield and Muskingum counties.
What state is area code 740 in?
Ohio. 740 is an Ohio area code on Eastern Time.
What cities use area code 740?
The places holding the most 740 prefixes are Newark, Lancaster, Portsmouth, Zanesville, Athens, Marion, Chillicothe and Delaware, out of 168 places in all. The count comes from NANPA's prefix assignments as of October 1, 2026.
Which phone company owns area code 740?
No single phone company owns 740. NANPA's records show Frontier holds the most 740 prefixes, 123 of 786, followed by Ohio Bell (AT&T) and Level 3 (Lumen). Numbers move between carriers, so check one exact number with a carrier lookup.
What time zone is area code 740 in?
740 is on Eastern Time.
When did area code 740 start?
740 went into service on December 6, 1997, when it was split off from 614.
Is 740 the same area as 220?
Yes. 220 (since 2015) covers the same ground as 740. 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 740 number?
Local calls need all 10 digits: 740-555-0142.
Is 740 a toll-free number?
No. 740 is a regular area code for Newark and Lancaster 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 740?
The closest are 614/380 (Columbus, Ohio), 937/326 (Dayton, Ohio), 330/234 (Akron, Ohio) and 304/681 (Charleston, West Virginia), measured between the centres of each area.
Who called me from a 740 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 740 a scam?
740 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.