Area code 423 serves the picturesque regions of Eastern Tennessee, including the vibrant city of Johnson City. This area is known for its rich cultural heritage and scenic landscapes, making it an attractive destination for both residents and visitors. Entrepreneurs might choose to use this local area code to establish a strong regional presence and connect with the community on a more personal level. Johnson City offers a supportive business environment with a robust local economy, providing ample opportunities for growth and networking. By adopting area code 423, businesses can embody the welcoming and dynamic spirit of this region.