SIC Code 4311 - United States Postal Service
Industry SectorTransportation & Public Utilities
This industry includes all establishments of the U.S. Postal Service. United States Postal Service
SIC Code 4311 - United States Postal Service is a final level code of the “Transportation & Public Utilities” Division. There are 38,837 companies classified in this industry in the USA with an estimated employment of 337,230 people.
Common types of examples within SIC Code 4311 - United States Postal Service are:
- United States Postal Service
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Extended SIC Code Categories for SIC 4311
For business marketing and targeting, SIC Codes have been extended to provide more specific classifications within SIC Code 4311 – United States Postal Service. Extended SIC Codes are being continuously updated to reflect the current business environment.
- 431101 Post Offices
- 4311001 Post Offices
- 43110000 U.s. Postal Service