Dealer code 2980

[Steve75]

Hi, I recently got my verification letter for my ED Fairmont Ghia.
Serial Prefix JGSWRS
Serial Number 81678
SIDO 906509
Model Code 18338 - Ford ED Fairmont Ghia Sedan
Engine Code H - 4.0 Litre OHC MP EFI
Transmission Code W - 4 Speed Auto Floor
Paint Q1 - Biscayne Blue
Trim G1 - Dresden Velour
Options 1Z - Not Listed
Tyres 21 - P205/65R15 (Goodyear)
Date of Manufacture March 1994
Retail Dealer 2980 - Not Listed
Just wanna know if anyone knows this dealer code?
also if anyone knows option 1Z?
Thanks

Steve