The official NAICS code structure consists of a two through six-digit hierarchy of classifications with five levels of detail.
- Two digits indicates economic sector
- Three digits indicates economic subsector
- Four digits indicates industry group
- Five digits indicates specific NAICS industry
- Six digits indicates Country specific detail for the national industry
EXAMPLE
Here is a visual breakdown of the NAICS code 531110
53 = Real Estate and Rental and Leasing
531 = Real Estate
5311 = Lessors of Real Estate
53111 = Lessors of Residential Buildings and Dwellings
531110 = Lessors of Residential Buildings and Dwellings
EXAMPLE
Here is a visual breakdown of the NAICS code 541120
54 = Professional, Scientific, and Technical Services
541 = Professional, Scientific, and Technical Services
5411 = Legal Services
54112 = Office of Notaries
541120 = Office of Notaries