From
www.faa.gov:
Update Address with FAA
To update your address, submit a signed, written request stating your name, date of birth, social security number and/or certificate number, and your new address to the mailing address below. Click here for a form to update your address with the FAA or create an account and update your address online.
Mailing Address: FAA
Airmen Certification Branch, AFS-760
PO Box 25082
Oklahoma City, OK 73125-0082
A post office box is not acceptable as a residence address. A residence address must be furnished; however, if you wish a post office box -preferred mailing address, you may furnish both. If your residence address is listed as General Delivery, Rural Route, or Star Route, you must provide directions, or a diagram, for locating the residence attested by your signature. A new certificate is not required when updating your address and will not be issued automatically.
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To get a new certificate, you must send in the fee and request a new one unless you haven't asked for a non-Social Security # based Pilot Certificate #. If you use the form to change from SSN based number to a unique pilot number, the certificates sent to you are free!
PS - even using my best Evelyn Wood reading techniques, your posts are extremely hard to read, understand or follow due to your avatar. Now what were talking about?