SIC 4313-digit industry group · SIC 1987
SIC Code 431: United States Postal Service
The SIC code for United States Postal Service is 431.
United States Postal Service industry group (SIC 431) comprises establishments engaged in united states postal service activities as classified under the US Standard Industrial Classification system.
United States Postal Service falls under SIC Major Group 43: United States Postal Service in Transportation, Communications, Electric, Gas, And Sanitary Services.
Classification
SIC Industries (4-digit)
| SIC Code | Industry Title |
|---|---|
| 4311 | SIC 4311 — United States Postal Service |
SIC 1987
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Need the NAICS equivalent? convert a SIC code to NAICS using the mapping table — SIC 1987 four-digit industries paired with NAICS 2022 at the five-digit industry level, with coverage gaps stated.