They're not all truck-specific colors, but here's the codes for 1997 Fords:
14: Silver Charcoal M
1Q: Silver Charcoal M
21: Cardinal Red
9L: Oxford White
9M: White
9Z: Silver Charcoal M
A9: Oxford White
BA: Lt. Prairie Tan M
BZ: Chrome Yellow
D1: Silver Charcoal M
DD: Mocha Frost M
E4: Cardinal Red
EA: Cardinal Red
EP: Cardinal Red
FL: Toreador Red
JL: Dk. Toreador Red
K1: Lt. Denim Blue M
KM: Royal Blue
LD: Med. Wedgewood
NA: DK. Tourmaline Green
NB: DK. Tourmaline Green
ND: DK. Tourmaline Green
PS: Pacific Green
SQ: Cardinal Red
TS: Silver Frost
WB: Performance White
WP: Performance White
WT: Performance White
Y0: Oxford White
Y9: Silver Charcoal M
YB: Silver Charcoal M
YM: Silver Charcoal M
YN: Silver Charcoal M
YY: White
YZ: Oxford White
ZE: Silver Charcoal M
Cheers!