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SICIndustry

SIC 4311—U.S. Postal Service

Industry · Standard Industrial Classification (1987)

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Where 4311 sits

  1. E Transportation, Communications, Electric, Gas, and Sanitary Services
  2. 43 United States Postal Service
  3. 431 United States Postal Service
  4. 4311 U.S. Postal Service

Description

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

What 4311 includes

6-digit codes

  • 431100 — U.S. Postal Service

8-digit codes

  • 43110000 — U.S. Postal service

Example activities

  • united states postal service

4311 in other systems

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