Go into the local office, pick up a form that's by the front door, fill it out and mail it in or take a number and wait in line and turn it in there. Could be waiting for over an hour though. Depends on how many people are ahead of you.
You can call the national number On this site and go through the process and somewhere in the spiel you will be able to request a new card. They usually send it within two to six weeks after you request it.
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