Its a special order/fleet order code. Usually applied to an order of multiple cars, or something requiring special approval. The 0-0 paint code indicates special paint the code may be for that reason, or maybe the dealer ordered a group of similarly equipped cars, possibly it is a show car of some kind.
05B = Built the Second week of May.
67-12437 = Standard Interior Coupe.
LOS = Built in Van Nuys California.
760 = Standard Black Bucket Seats.
Z = (A50) Strato Bucket Seats.
O-O = Car Color is SPECIAL PAINT
H106 = internal plant scheduling code.
Options:
2M = (M35) Powerglide Transmission
2G = (D55) Console front compartment
3S = (Z23) Interior Decor group
3K = (Z21) Deluxe exterior trim
5B = (V31 & V32) Front and Rear Large Bumper Guards