SIC Code 4311 - United States Postal Service
Industry Sector
Transportation & Public UtilitiesTotal Companies
17,334Est. Employment
337,230Use Data For:
- Direct Mailing
- Emailing
- Calling
- Research
Includes Free Sample & Industry Report
100% Phone-Verified, NCOA Processed, Accurate Data
Description
This industry includes all establishments of the U.S. Postal Service. United States Postal Service
Snapshot
SIC Code 4311 - United States Postal Service is a final level code of the “Transportation & Public Utilities” Division. There are 17,334 companies classified in this industry in the USA with an estimated employment of 337,230 people.
Hierarchy Navigation for SIC Code 4311
Parent Category (less specific)
Extended SIC Codes (6-digit) for United States Postal Service
In-depth Industry Analysis: Explore Comprehensive Details on SIC Code Extended Pages
Industry Examples
Common types of examples within SIC Code 4311 - United States Postal Service are:
- United States Postal Service
Industry Image
Example photo for industry SIC 4311 - United States Postal Service. This image represents an activity or product found in this industry.

Companies
SICCODE.com compiles comprehensive business data and executive contact leads for businesses within SIC Code 4311 - United States Postal Service. Some of the leading and most notable companies are listed below. To order a list of companies within SIC Code 4311 - United States Postal Service for marketing (postal mailing, telemarketing, emailing) or analytics-use, click on the link below to “Buy Business List”. Our data analysts are standing by to assist in your list setup and target marketing.
Industry Executives
Would you like to email executives in SIC Code 4311 - United States Postal Service? Below are some of the common job titles available to be targeted.
- Business Development
- Chairman
- C-Level
- Director
- Engineering
- Executive Director
- Facilities
- Finance
- Human Resource
- IT
- Manager
- Marketing
- Manufacturing
- Operations
- Owner
- Partner
- President
- Principal
- Purchasing
- Sales
- Vice President
For specific job title targeting, please provide details in the business list request form.
Alternative SIC Code Categories for SIC 4311
For business marketing and targeting purposes, please refer to the Extended SIC Codes (6-digit).
7-digit SIC
- 4311001Post Offices
8-digit SIC
- 43110000U.s. Postal Service