Industries (NAICS)
Postal Service
2022 NAICS classification
These codes use the 2022 classification. Check the applicable size standard separately.
NAICS
491Explore this industry
Source date: Jul 13, 2026
Record identifier
491
GovGazetteGovGazetteIndustries (NAICS)
These codes use the 2022 classification. Check the applicable size standard separately.
491Source date: Jul 13, 2026
491