Postal Service Clerks

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 PercentileAnnual 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:


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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.

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