Locally owned and operated, Storage Xxtra Newnan Hwy 154 is located off I-85 exit 51 on Sharpsburg-McCollum road. Office Suites at Storage Xxtra offers a great value for small businesses in the Newnan, GA area that are looking for office and warehouse/storage space that won't break the bank. We offer multiple floor plans starting at 400 square feet, short term month to month leases, free utilities, and optional attached storage units.