423-XXX-XXX Phone Numbers

Area code 423 was first put in service on 10 September 1995, when it was split from the 615 area code. It primarily serves the Eastern Tennessee area, covering cities like Chattanooga, Johnson City, Kingsport, and the surrounding areas. Essential towns in this region include Cleveland, Morristown, and Bristol. The part observes Eastern Time (ET) and follows Eastern Daylight Time (EDT) during daylight saving time.

Zip Codes and Population

The 423 area code encompasses several zip codes, some of which include:

- Chattanooga (37402, 37403, 37404, 37405, 37406, 37407, 37408, 37409, 37410, 37411, 37412, 37415, 37416, 37419, 37421, 37450)
- Johnson City (37601, 37604, 37614, 37615)
- Kingsport (37660, 37662, 37663, 37664, 37665)
- Cleveland (37311, 37312, 37320, 37323, 37364)
- Morristown (37813, 37814, 37815, 37816)
- Bristol (37618, 37620, 37621, 37625)

Given its coverage across various significant towns and cities of Eastern Tennessee, the population under area code 423 is substantial. The region has experienced notable growth in the past few decades, with Hamilton County (home to Chattanooga) being Tennessee's fourth most populated county. As per the US Census Bureau, the population of the 423 area code was around 1.3 million in 2019.

Economy and Industries

The 423 area code boasts a diverse economic landscape, with multiple sectors contributing to the regional economy. Healthcare is one of the major industries, with significant establishments like Erlanger Health System, CHI Memorial Healthcare, and the Ballad Health System. Manufacturing is another important sector in this area, with companies like Volkswagen, DENSO, and Eastman Chemical Company having established manufacturing facilities in the region.

Tourism is another vital aspect of the economy for area code 423, as the region houses numerous attractions. The Great Smoky Mountains National Park, the Appalachian Trail, and the Cherokee National Forest are some of the significant tourist hotspots. These attractions and various events and festivals held in cities like Chattanooga and Johnson City contribute to the area's economic prosperity.

Education

Area Code 423 is home to several higher education institutions, like the University of Tennessee at Chattanooga, East Tennessee State University, and Southern Adventist University. Additionally, community colleges and technical schools like Chattanooga State Community College, Northeast State Community College, and Cleveland State Community College cater to vocational and skill-based education.

The 423 Area Code may be a small part of the United States, but it is a critical hub in Eastern Tennessee, with a significant population, growing economy, and multiple landmarks. With a strong base in healthcare, manufacturing, and tourism, this region continues to contribute to the overall growth and development of the United States. So, the next time you dial a number with the 423 area code, know that you are connecting to a place that plays a vital role in the larger national picture.