Area code 520 serves the vibrant southern region of Arizona, encompassing the charming city of Casa Grande as well as other dynamic communities. This area is known for its warm climate and rich cultural heritage, making it an inviting destination for both tourists and residents. Business owners might choose to use the 520 area code to tap into a local market that values community and growth. By adopting this local area code, businesses can establish a strong regional presence and connect with the diverse population, fostering customer loyalty and expanding their reach in this thriving locale.