There are 23 Cessna 401 aircraft on the U.S. registry that TailWiki has a page for. Every one is built from the public FAA record — year, serial, engine, home base, and registration history — and owners and pilots add photos, trips, and stories on top. The ones listed here were built between 1966 and 1968.
N2JJ
1968 Cessna 401
Watkins, CO
N401TE
1968 Cessna 401
Peachtree City, GA
N401WW
1968 Cessna 401
North Myrtle Beach, SC
N4076Q
1968 Cessna 401
Valley Stream, NY
N407RK
1968 Cessna 401
San Miguel, CA
N550FS
1968 Cessna 401
Sheboygan Falls, WI
N7864F
1968 Cessna 401
Runaway Bay, TX
N807WS
1968 Cessna 401
Deerfield Beach, FL
N909AA
1968 Cessna 401
Jupiter, FL
N103EC
1967 Cessna 401
Watkins, CO
N3239Q
1967 Cessna 401
Lonoke, AR
N3264Q
1967 Cessna 401
Kailua Kona, HI
N3268Q
1967 Cessna 401
Naples, FL
N34MM
1967 Cessna 401
Watkins, CO
N401CF
1967 Cessna 401
Chino Hills, CA
N401K
1967 Cessna 401
Lonoke, AR
N401MR
1967 Cessna 401
Iowa Park, TX
N401RS
1967 Cessna 401
Virginia Beach, VA
N12Q
1966 Cessna 401
Lake Dallas, TX
N401AT
1966 Cessna 401
Montgomery, TX
N105KA
Cessna 401
Trenton, SC
N401BT
Cessna 401
Maryville, TN
N4075Q
Cessna 401
Santa Fe, NM