724 Area Code — New Castle, PA
Area code 724 serves New Castle and 3 other cities in Pennsylvania. Local time follows America/New_York. It overlays with 878, so 10-digit dialling is required.
- State
- Pennsylvania
- Primary city
- New Castle
- Timezone
- America/New_York
- In service since
- 1998
- Type
- Geographic
- Overlay codes
- 878
Cities Served by 724
The 724 area code covers 4 cities and communities in Pennsylvania.
- New Castle
- Greensburg
- Washington
- Butler
About Area Code 724
Area code 724 is a North American Numbering Plan (NANP) area code that has been in service since 1998. It is administered by NANPA on behalf of the FCC and serves the Pennsylvania region anchored on New Castle.
724 now shares its territory with an overlay code (878). 10-digit dialling is required for local calls within this region because the same 7-digit number can be assigned under either code.
Mobile numbers in 724 are portable: a person who moved away from New Castle may still carry a 724 mobile number on their device. If you receive an unexpected call from a 724 number, run it through the reverse lookup tool above for the most accurate, free identification.
If you live or do business in Pennsylvania, you may also interact with neighbouring or overlay codes (878). See the related codes section below to explore the rest of Pennsylvania.
Other Pennsylvania Area Codes
Continue exploring the Pennsylvania numbering plan.
724 Area Code FAQ
Where is area code 724?
Area code 724 is located in Pennsylvania, primarily serving New Castle and surrounding cities including Greensburg, Washington, Butler. The region operates on ET (America/New_York) time.
What state is 724 area code?
724 is a Pennsylvania area code. It was put into service in 1998 and shares its geographic footprint with overlay code 878.
Is 724 a scam area code?
724 is a legitimate North American area code allocated by NANPA to Pennsylvania. Like any geographic area code, scammers sometimes spoof 724 numbers — judge each call by content (urgent demands, unfamiliar transfers) rather than the area code alone. Run the specific number through our reverse lookup if you're unsure.
What time zone does 724 use?
Area code 724 operates on ET (America/New_York). Numbers in this area code follow standard Pennsylvania time-zone rules including any daylight-saving transitions for that region.
Can I look up a specific 724 phone number?
Yes. Use the reverse lookup widget above to enter a full 724 number. NumLocation returns the line type (mobile, landline, VoIP), carrier, rate-center city, and any public listings tied to the number — free.
What's the difference between 724 and 878?
724 and 878 cover the same Pennsylvania geographic area as overlay codes. Calls between them are local, but you must dial all 10 digits. New phone numbers in this region are assigned from either pool depending on what's available with the carrier at signup.