Career Overview
Perform any combination of tasks in a United States Postal Service (USPS) post office, such as receive letters and parcels; sell postage and revenue stamps, postal cards, and stamped envelopes; fill out and sell money orders; place mail in pigeon holes of mail rack or in bags; and examine mail for correct postage. Includes postal service clerks employed by USPS contractors.
Also Known As
- Clerk
- Postal Clerk
- Sales and Service Associate (SSA)
- Window Clerk
Alternate Job Titles
- Annuitant HCA (Annuitant Holiday Clerk Assistant)
- Bulk Clerk
- Bulk Mail Clerk
- Bulk Mail Technician
- Business Mail Entry Clerk
- City Carrier
- City Carrier Assistant (CCA)
- Clerk
- Counter Clerk
- Delivery Associate
- Delivery Clerk
- Distribution Clerk
- Dock Clerk
- Mail Agent
- Mail Caller
What You'll Do
In this role, your typical responsibilities include:
- Weigh letters and parcels, compute mailing costs based on type, weight, and destination, and affix correct postage.
- Check mail to ensure correct postage and that packages and letters are in proper condition for mailing.
- Sort incoming and outgoing mail, according to type and destination, by hand or by operating electronic mail-sorting and scanning devices.
- Obtain signatures from recipients of registered or special delivery mail.
- Answer questions regarding mail regulations and procedures, postage rates, and post office boxes.
- Transport mail from one work station to another.
Emerging Responsibilities
As this field evolves, you may also:
- Stock lobby with retail merchandise.
Knowledge You'll Use
You'll need solid knowledge in these areas:
- Customer and Personal Service
Key Abilities
This career requires key abilities in:
- Oral Comprehension
- Oral Expression
- Near Vision
- Written Comprehension
- Speech Recognition
- Speech Clarity
- Manual Dexterity
- Trunk Strength
- Information Ordering
- Category Flexibility
Work Style
People who excel in this career typically demonstrate:
- Dependability
- Attention to Detail
- Integrity
- Cooperation
- Cautiousness
What Matters in This Career
This career tends to satisfy these work values:
- Relationships
- Support
- Working Conditions
- Independence
- Recognition
Education & Preparation
Typical Education: High School Diploma - or the equivalent (for example, GED)
On-the-Job Training: Anything beyond short demonstration, up to and including 1 month
Education Details: Usually requires a high school diploma or GED, though some occupations may not.
Experience Required: Some occupations may need little or no previous experience; others require several months to a year of experience. For example, landscaping and groundskeeping workers might require very little training or previous experience, while agricultural equipment operators can benefit from on-the job training.
Technology You'll Use
Popular Technologies & Software
- Microsoft Windows
Tools & Equipment
- Automated mail processing equipment
- Barcode scanners
- Barcode sorters
- Bin stackers
- Doubles detectors
- Electronic mail sorting devices
- General purpose mail containers
- Hand stamps
- Hand trucks
- Mail bags
- Mail scales
- Mail transport carts
- Money drawers
- Optical character readers
- Packaging tape dispensers
Work Environment
- Contact With Others
- Indoors, Environmentally Controlled
- Deal With External Customers or the Public in General
- Spend Time Standing
- Importance of Being Exact or Accurate
Salary & Job Market
| Salary Percentile | Annual Wage |
|---|---|
| Entry-Level (10th percentile) | $42,600 |
| Median | $61,630 |
| Top Earners (90th percentile) | $74,050 |
Workers Employed Nationally: 78,060
Related Careers
If you're interested in this career, you might also consider:
Postal Service Mail Carriers
Education: High School Diploma - or the equivalent (for example, GED)
Median Salary: $57,490
Mail Clerks and Mail Machine Operators, Except Postal Service
Education: High School Diploma - or the equivalent (for example, GED)
Median Salary: $38,150
Shipping, Receiving, and Inventory Clerks
Education: High School Diploma - or the equivalent (for example, GED)
Median Salary: $43,190
Postal Service Mail Sorters, Processors, and Processing Machine Operators
Education: High School Diploma - or the equivalent (for example, GED)
Median Salary: $56,530
Postmasters and Mail Superintendents
Education: High School Diploma - or the equivalent (for example, GED)
Median Salary: $92,730
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Occupational data sourced from the O*NET OnLine database, developed by the U.S. Department of Labor, Employment and Training Administration. Wage data from the U.S. Bureau of Labor Statistics Occupational Employment and Wage Statistics (OEWS), 2024.

