Aircraft carriers known to be in existence:
CV 10 Yorktown; Museum in SC. since 1992 (on National register of historic places)
CV 11 Intrepid; Museum in NYC, NY since 1981 (on NRHP)
CV 12 Hornet; Museum in Alabama since 1998 (on NRHP)
CV 16 Lexington; Museum in Corpus Christi TX since 1992
CV 34 Oriskany; To be scrapped. in Beaumont TX since 1997
CV 41 Midway; To be museum, in Bremerton WA since 1997
CV 59 Forrestal; To be museum, in Newport RI since 1993
CV 60 Saratoga; To be museum, in Newport since 1994
CV 61 Ranger; Reserve fleet, in Bremerton since 1993
CV 62 Independence; Reserve fleet, in Bremerton since 1998
CV 64 Constellation; Active duty, (to be decommed soon)
CV 66 America; To be disposed of, in Philadelphia since 1996
Please note that the CV is not neccesarily their last designation (Lex and Forrestal were both AVT's when decommed)
[Of course all the nukes (65, 68-76) and CV63 and CV67 are still in commission]
Thats Alameda, CA:)