The 724 area code covers Greensburg, Washington and 145 more places in Pennsylvania.
Area code 724 is in Pennsylvania, on Eastern Time. In the 724 area, phone numbers are given out most in Westmoreland County, then Washington and Fayette counties. It has been in service since February 1, 1998. 878 covers the same area, so two neighbours can have different area codes.
- Where
- 8 counties in Pennsylvania, mostly Westmoreland County, Washington County and Fayette County
- Time zone
- Eastern Time
- In service since
- February 1, 1998
- Shares its area with
- 878 (since 2001)
- Prefixes in use
- 783
- How to dial
- Local calls need all 10 digits: 724-555-0142.
Find out who called you from a 724 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 (724) number is on today, use our free carrier lookup.
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Greensburg holds 5% of the phone prefixes in area code 724.
A prefix is the three digits after the area code, and NANPA assigns each one to a town. Counting the 783 prefixes in use shows where 724 numbers are actually given out.
- Greensburg43 prefixes, 5%
- Washington30 prefixes, 4%
- Uniontown25 prefixes, 3%
- New Castle24 prefixes, 3%
- Butler24 prefixes, 3%
- Sharon20 prefixes, 3%
- Indiana20 prefixes, 3%
- Rochester20 prefixes, 3%
Also served: New Kensington, Canonsburg, Beaver Falls and Aliquippa and 135 smaller places.
Of the carriers named here, Teleport (AT&T) holds the most phone number prefixes in area code 724: 74 of 783.
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 783 prefixes in use in 724 divide between carriers; holders this page does not name are grouped as other carriers.
| Carrier | Prefixes | Share |
|---|---|---|
| Teleport (AT&T)AT&T's business phone network | 74 | 9% |
| Level 3 (Lumen)Lumen's business and wholesale network | 69 | 9% |
| AT&T MobilityMobile network | 60 | 8% |
| WindstreamLandline company | 51 | 7% |
| Core Communications | 48 | 6% |
| Fidium Enterprise Services | 39 | 5% |
| 33 other carriers | 442 | 56% |
78% 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.
724 has covered the same ground since 1998.
1998
724 starts on February 1, 1998, split off from 412.
A 724 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 724 are 814, 330 and 440.
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 724.
Where is area code 724?
724 covers Greensburg, Washington, Uniontown and New Castle and 143 more places in Pennsylvania. In the 724 area, phone numbers are given out most in Westmoreland County, then Washington and Fayette counties.
What state is area code 724 in?
Pennsylvania. 724 is a Pennsylvania area code on Eastern Time.
What cities use area code 724?
The places holding the most 724 prefixes are Greensburg, Washington, Uniontown, New Castle, Butler, Sharon, Indiana and Rochester, out of 147 places in all. The count comes from NANPA's prefix assignments as of October 1, 2026.
Which phone company owns area code 724?
No single phone company owns 724. NANPA's records list its 783 prefixes across many carriers, and the ones named on this page include Teleport (AT&T), Level 3 (Lumen) and AT&T Mobility. Numbers move between carriers, so check one exact number with a carrier lookup.
What time zone is area code 724 in?
724 is on Eastern Time.
When did area code 724 start?
724 went into service on February 1, 1998, when it was split off from 412.
Is 724 the same area as 878?
Yes. 878 (since 2001) covers the same ground as 724. 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 724 number?
Local calls need all 10 digits: 724-555-0142.
Is 724 a toll-free number?
No. 724 is a regular area code for Greensburg and Washington in Pennsylvania, 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 724?
The closest are 814/582 (Erie, Pennsylvania), 330/234 (Akron, Ohio), 440/436 (Willoughby, Ohio) and 216 (Cleveland, Ohio), measured between the centres of each area.
Who called me from a 724 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 724 a scam?
724 is a real Pennsylvania 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.