The closest I can find to that serial number would be a Colt peacemaker model .22 made about 1975.
Your frontier scout was made in 1963.
@1962
1958
Colt frontier scout with that serial number was made in 1962 per proofhouse.com
1971
Produced around 1967.
You must call Colt.
on the inside of grip
Proofhouse.com has sn data.
@ 1958. You need to call Colt to verify.
According to www.proofhouse.com, somewhere between 1966 and 1967.
it ain't worth a monkeys left ball