Postal Service Mail Sorters, Processors, and Processing Machine Operators
Prepare incoming and outgoing mail for distribution for the United States Postal Service (USPS). Examine, sort, and route mail. Load, operate, and occasionally adjust and repair mail processing, sorting, and canceling machinery. Keep records of shipments, pouches, and sacks, and perform other duties related to mail handling within the postal service. Includes postal service mail sorters and processors employed by USPS contractors.
Most important skills
- Monitoring
- Reading Comprehension
- Speaking
- Critical Thinking
- Coordination
- Active Listening
- Operations Monitoring
- Judgment and Decision Making
Key knowledge
- English Language
- Production and Processing
- Customer and Personal Service
- Administrative
- Administration and Management
- Transportation
- Public Safety and Security
- Computers and Electronics
What the work involves
- Operate various types of equipment, such as computer scanning equipment, addressographs, mimeographs, optical character readers, and bar-code sorters.
- Clear jams in sorting equipment.
- Sort odd-sized mail by hand, sort mail that other workers have been unable to sort, and segregate items requiring special handling.
- Direct items according to established routing schemes, using computer-controlled keyboards or voice-recognition equipment.
- Bundle, label, and route sorted mail to designated areas, depending on destinations and according to established procedures and deadlines.
- Train new workers.
- Distribute incoming mail into the correct boxes or pigeonholes.
- Search directories to find correct addresses for redirected mail.
Strongest interest areas (O*NET): Conventional, Realistic, Social.
Qualifications and licensing
- Most common education
- High School Diploma or the equivalent (such as a GED) (81.4% of respondents)
- Related experience
- None (70.5%)
- On-the-job training
- Anything beyond short demonstration, up to and including 1 month (45.3%)
- Preparation level
- O*NET job zone 2: Job Zone 1-2: Very Little to Some Preparation Needed
- Licensing
- Not yet verified. Check your state licensing board.
Check before planning
- Licensing for Postal Service Mail Sorters, Processors, and Processing Machine Operators is not yet verified for any state: check the state licensing board before planning.
Limits
- Distributions show what current workers or occupational experts report, not legal minimums.
- Requirements vary by employer and state; time to qualify is not estimated.
Source: O*NET 31.0 Database (USDOL/ETA, CC BY 4.0); BLS Employment Projections · dataset 2026.10.8 · method e3-qualification-1.0.0
Work environment
How the typical conditions of this occupation compare with 911 occupations in O*NET (very low = the lowest fifth).
Levels are relative. Most occupations involve a lot of contact with people, for example, so “very low” can still mean regular contact; the last column shows what workers actually reported.
| Condition | Level | Compared with other occupations | Most common answer (O*NET survey) |
|---|---|---|---|
| Contact with others | Very low | Lower on contact with others than 85% of occupations compared | 42% of surveyed respondents chose “Constant contact with others” |
| Dealing with the public | Very low | Lower on dealing with the public than 98% of occupations compared | 83% of surveyed respondents chose “Not important at all” |
| Teamwork | Low | Lower on teamwork than 68% of occupations compared | 48% of surveyed respondents chose “Extremely important” |
| Freedom to make decisions | Very low | Lower on freedom to make decisions than 94% of occupations compared | 33% of surveyed respondents chose “Very little freedom” |
| Time pressure | Very high | Higher on time pressure than 96% of occupations compared | 88% of surveyed respondents chose “Every day” |
| Conflict situations | Moderate | Higher on conflict situations than 58% of occupations compared | 36% of surveyed respondents chose “Once a year or more but not every month” |
| Dealing with unpleasant or angry people | Very high | Higher on dealing with unpleasant or angry people than 80% of occupations compared | 35% of surveyed respondents chose “Every day” |
| Consequence of error | Very low | Lower on consequence of error than 80% of occupations compared | 41% of surveyed respondents chose “Not serious at all” |
Work-pressure profile
- Time pressure: very high
- Conflict situations: moderate
- Dealing with unpleasant or angry people: very high
- Consequence of error: very low
Each part is shown on its own. There is no combined stress score, and conditions vary by employer and role.
Full answer distributions
Contact with others
- No contact with others: 9.87%
- Occasional contact with others: 12.48%
- Contact with others about half the time: 7.84%
- Contact with others most of the time: 27.63%
- Constant contact with others: 42.19%
n = 44, Incumbent 07/2016
Dealing with the public
- Not important at all: 82.84%
- Fairly important: 2.85%
- Important: 7.4%
- Very important: 3.81%
- Extremely important: 3.09%
n = 44, Incumbent 07/2016
Teamwork
- Not important at all: 0.71%
- Fairly important: 6.81%
- Important: 28.21%
- Very important: 16.38%
- Extremely important: 47.89%
n = 43, Incumbent 07/2016
Freedom to make decisions
- No freedom: 6.75%
- Very little freedom: 32.69%
- Limited freedom: 9.46%
- Some freedom: 31.57%
- A lot of freedom: 19.53%
n = 44, Incumbent 07/2016
Time pressure
- Never: 4.57%
- Once a year or more but not every month: 2.54%
- Once a month or more but not every week: 0%
- Once a week or more but not every day: 5.08%
- Every day: 87.82%
n = 44, Incumbent 07/2016
Conflict situations
- Never: 15.5%
- Once a year or more but not every month: 35.66%
- Once a month or more but not every week: 13.54%
- Once a week or more but not every day: 9.02%
- Every day: 26.28%
n = 43, Incumbent 07/2016
Dealing with unpleasant or angry people
- Never: 21.39%
- Once a year or more but not every month: 3.47%
- Once a month or more but not every week: 20.6%
- Once a week or more but not every day: 19.56%
- Every day: 34.98%
n = 42, Incumbent 07/2016
Consequence of error
- Not serious at all: 40.75%
- Fairly serious: 16.97%
- Serious: 19.9%
- Very serious: 13.2%
- Extremely serious: 9.17%
n = 41, Incumbent 07/2016
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O*NET-SOC 43-5053.00 · SOC 43-5053 (exact, high confidence) · dataset 2026.10.8