Area code 631 serves the vibrant region of Nogales in Sonora, Mexico, a city known for its rich cultural heritage and dynamic cross-border commerce. As a major gateway between Mexico and the United States, Nogales offers businesses unique opportunities for growth and international trade. By using the local area code 631, business owners can establish a strong regional presence, fostering trust and accessibility with clients. This connectivity enhances customer relations and can lead to increased business opportunities, making it an ideal choice for entrepreneurs aiming to tap into the diverse and thriving market in Sonora.