CoreSite’s Atlanta AT1 data center facility is in the heart of downtown Atlanta at 55 Marietta Street NW, Atlanta, GA 30303. This strategic location serves as a vital hub for businesses to deploy their IT infrastructure. As one of the fastest-growing data center markets with the third-largest concentration of Fortune 500 companies in the U.S., Atlanta features tech-savvy organizations that look to CoreSite to help them future-proof their businesses.