SIC 4311 United States Postal Service

SIC Code: 4311

Code Title: United States Postal Service

Code Division: E - Transportation, Communications, Electric, Gas, And Sanitary Services

SIC 4311 United States Postal Service Description

This industry includes all establishments of the U.S. Postal Service.

  • United States Postal Service


SIC 4311 to NAICS Crosswalk