Postal Service Mail Sorters, Processors, and Processing Machine Operators

Career Overview

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.

Also Known As

  • Automation Clerk
  • Distribution Clerk
  • Mail Handler
  • Mail Processor

Alternate Job Titles

  • Assorter
  • Automation Clerk
  • Computer Forwarding System Markup Clerk (CFS Markup Clerk)
  • Dead Mail Checker
  • Distribution Clerk
  • Distribution Handler
  • Distributor
  • Equipment Operator
  • File Conversion Operator
  • Flat Sorter Operator
  • Flat Sorter Processor
  • Flat Sorting Machine Clerk (FSM Clerk)
  • General Expeditor
  • Letter Sorting Machine Operator (LSM Operator)
  • Mail Distribution Clerk

What You'll Do

In this role, your typical responsibilities include:

  • Clear jams in sorting equipment.
  • Operate various types of equipment, such as computer scanning equipment, addressographs, mimeographs, optical character readers, and bar-code sorters.
  • Sort odd-sized mail by hand, sort mail that other workers have been unable to sort, and segregate items requiring special handling.

Key Abilities

This career requires key abilities in:

  • Near Vision
  • Manual Dexterity
  • Perceptual Speed
  • Static Strength
  • Written Comprehension
  • Multilimb Coordination
  • Information Ordering
  • Category Flexibility
  • Oral Comprehension
  • Speech Recognition

Work Style

People who excel in this career typically demonstrate:

  • Attention to Detail
  • Dependability
  • Integrity
  • Stress Tolerance
  • Cautiousness

What Matters in This Career

This career tends to satisfy these work values:

  • Support
  • Relationships
  • Working Conditions
  • Achievement
  • Independence

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 Excel
  • Microsoft Office software
  • Microsoft Outlook
  • Microsoft SharePoint
  • Microsoft Word
  • SAP software
  • Teradata Database

Tools & Equipment

  • Addressographs
  • Automatic airline assignment systems
  • Automatic pallet unloaders
  • Barcode scanners
  • Barcode sorters
  • Compact assignment machines
  • Computer data input scanners
  • Conveyor belts
  • Conveyor sorting systems
  • Copy machines
  • Delivery point packagers
  • Dollies
  • Electric material moving tractors
  • General purpose mail containers
  • Hand-pushed carts

Work Environment

  • Indoors, Environmentally Controlled
  • Time Pressure
  • Spend Time Making Repetitive Motions
  • Spend Time Using Your Hands to Handle, Control, or Feel Objects, Tools, or Controls
  • Exposed to Sounds, Noise Levels that are Distracting or Uncomfortable

Salary & Job Market

Salary PercentileAnnual Wage
Entry-Level (10th percentile)$42,600
Median$56,530
Top Earners (90th percentile)$74,050

Workers Employed Nationally: 111,930

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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