Carrier profile · USDOT 730300 · MC-345389 · Updated Jun 13, 2026
Harry N Frost Jr
DBA ZYZZK RACING
1 power unitLA PORTE CITY, IA80/100
CARRIER ACTIVEMC-345389 ACTIVE
Operations & Lanes
Where this carrier actually runs, revealed by roadside-inspection geography over the last 24 months — not where they claim to operate, shown as state-level inspection density.
Inspection density by state· each tile = a state · shade = inspections, last 24 mo
Home base
LA PORTE CITY, IA
Density
fewermore