Class code 1604: Quarry Dimension Stone & Drivers
Class 1604 is the NCCI workers' comp code for “Quarry Dimension Stone & Drivers”.
The facts
- Official wording (NCCI)
- Quarry Dimension Stone & Drivers
- Industry group (our dictionary)
- Mining & Quarrying
- Hazard group
- Not listed in our dictionary
- State codes that differ
- None in our dictionary
- Line
- Workers' comp
What it means
Class 1604 is the code carriers use to rate workers' comp payroll for this kind of work.
Drivers who work for the business are rated in this same code.
Who writes class 1604, state by state
From our live eligibility engine, refreshed every day (page updated November 1, 2026). It shows who has appetite, not a price. The final decision is always the carrier's underwriter.
Instant quote available 44
No market listed yet 0
State fund only 4
North Dakota (North Dakota Workforce Safety & Insurance) · Ohio (Ohio Bureau of Workers' Compensation) · Washington (Washington Department of Labor & Industries) · Wyoming (Wyoming Department of Workforce Services)
Carriers with appetite for class 1604
- AmTrust · 43 states · instant quote
- CopperPoint · 19 states · instant quote
- Travelers · 4 states · instant quote
- V3- National Liability & Fire Insurance Company · 47 states
- Omaha National · 28 states
- Accident Fund Insurance Company Of America · 5 states
- Amerisafe · 3 states
What does class code 1604 cover?
Class 1604 is the NCCI workers' comp code for “Quarry Dimension Stone & Drivers”. Carriers use it to rate the payroll of people doing this kind of work.
Who writes class code 1604 workers' comp?
In our live appetite data (updated November 1, 2026), 7 carriers have appetite for class 1604 in at least one state, and 3 of them quote it instantly. An instant quote is available in 44 states. The final decision is always the carrier's underwriter.
Does every state use class code 1604?
Our dictionary lists no different code for California, Delaware, Michigan, New Jersey, New York, Pennsylvania or Texas. North Dakota, Ohio, Washington and Wyoming write workers' comp through the state fund.