What is 513 Area Code?

The 513 area code serves southwestern Ohio, including Cincinnati and nearby areas. It was established in 1947 as one of the original area codes under the North American Numbering Plan. To handle increasing demand, area code 283 was later added as an overlay. The 513 area code plays a key role in connecting businesses and residents across a highly populated and economically active region.

  • State: Ohio
  • Major Cities: Cincinnati, Fairfield, Hamilton, Mason
  • Time Zone: Eastern Time Zone (ET)
  • Established: 1947
  • Overlay Area Code: 283
  • Region Population: Approximately 1.7 million
  • Primary Uses: Business communication, residential landlines, mobile services, and VoIP

Population & Demographics of 513 Area Code

The 513 area code serves a diverse population of around 1.7 million people, largely concentrated in the Cincinnati metropolitan area. The region includes both bustling urban centers like Cincinnati and growing suburban communities in Butler, Warren, and Clermont counties. This makes the area a mix of city life, suburban comfort, and small-town living.

The demographics are equally varied, with a strong presence of young professionals, families, and established industries shaping the local economy. Cincinnati, in particular, is a hub for finance, healthcare, education, and manufacturing, attracting a highly skilled workforce. This balance of population density and industry makes the 513 area code essential for businesses looking to grow their customer base.

513 Area Code Time Zone

The 513 area code is located in the Eastern Time Zone (ET), aligning with cities such as New York and Washington, D.C. This makes it convenient for businesses to coordinate operations across the East Coast and beyond.