The area code 724 is located in New Castle, Pennsylvania.
Area code 724 serves New Castle, Pennsylvania, and a wide stretch of western Pennsylvania that surrounds, but does not include, the City of Pittsburgh. New Castle sits near the Pennsylvania–Ohio border and is the county seat of Lawrence County, about 50 miles northwest of Pittsburgh. The 724 area code was created in 1998 as a split from 412 to handle growing demand for phone numbers in the region. It now works alongside the 878 overlay, which means 10‑digit dialing is required for local calls.
“Area code 724 was introduced in 1998 following a split from 412.” — North American Numbering Plan Administration (NANPA)
Covering suburban and rural communities, 724 includes many of western Pennsylvania’s key hubs and small towns. Major cities and communities in the 724 area code include:
New Castle adds local flavor to area code 724 with notable landmarks and history. The city is widely known as the “Fireworks Capital of America,” home to famed fireworks companies such as Zambelli and Pyrotecnico, and celebrates a rich industrial past along the Shenango River. For calling, use the formats +1 724 xxx‑xxxx (international) or 1‑724 xxx‑xxxx (long‑distance in North America); seven-digit dialing is not supported due to the 878 overlay. The entire area code observes Eastern Time (ET), including Daylight Saving Time. With a mix of small-city life, college towns, and historic downtowns, area code 724 is a key phone number region for western Pennsylvania.