To have your lock changed on your mail box, you must go to the US Post Office, 502 U.S. Hwy. 80 in Pooler, and request in person that the lock be changed.  The cost is $20.00, payable at the time you request that the lock be changed.  The lock will be changed within 2-3 working days.  You will have to go back to the post office to pick up the new keys after the lock is changed.  You will be given 3 keys.  The Pooler Post Office hours are Mon - Fri 8:30 AM - 4:30 PM and Sat 9:00 AM - 12 noon.  The Pooler post office phone number is (912) 748 - 4927.