The original number is 0-0-0. Here are the steps for resetting your own combination: 1. Pull up the shackle 2. Rotate the shackle 90 degree counterclockwise, hold down and continue to turn another 90 degree counterclockwise 3. Turn another 90 degree counterclockwise and hold on 4. Set your own combination by turning the dials to the convex line 5. Turn the shackle back as normal. Then the setting is completed 6. Dial your numbers to the convex line, pull the shackle to open. 7. Insert the shackle and scramble the numbers to lock. Tip: please remember your own code. (a).The Transportation Security Administration (TSA) now suggests you lock your checked baggage with TSA-accepted and recognized locks. Travel SentryTM Certified locks are accepted and recognized by the TSA. (b).Airport security professionals no longer need to cut your locks or force your bag open and risk damaging it. They simply open your locks, inspect, and relock your bags, sending them quickly and securely on their way.