Jobs / Office and administrative support / 43-9051.00
Mail Clerks and Mail Machine Operators, Except Postal Service
Prepare incoming and outgoing mail for distribution. Time-stamp, open, read, sort, and route incoming mail; and address, seal, stamp, fold, stuff, and affix postage to outgoing mail or packages. Duties may also include keeping necessary records and completed forms.
- US jobs
- 55,230
- Median wage
- $39,280 a year
- Job family
- Office and administrative support
Can agents do the work of mail clerks and mail machine operators, except postal service?
We read the evidence for the whole job family, Office and administrative support: Most tasks (no change in 12 months)
Agents complete 60% or more of the tasks (or projects) on two direct benchmarks from independent institutions.
Evidence: OSWorld-Verified, 90.2% of tasks completed; SpreadsheetBench, 83.1% of tasks completed.
3% of this occupation's work, by O*NET work activities, is measured by a direct benchmark.
- 18%Process shipments or mailNot measured
- 12%Load products, materials, or equipment for transportation or further processingNot measured
- 8%Maintain tools or equipmentNot measured
- 8%Sort materials or productsNot measured
- 6%Package objectsNot measured
- 5%Examine materials or documentation for accuracy or complianceNot measured
- 5%Analyze data to improve operationsNot measured
- 5%Measure physical characteristics of materials, products, or equipmentNot measured
Benchmarks for the job family
These cover work in office and administrative support, not always this occupation's tasks.
Direct evidence
Work benchmarks mapped primary to this family. They set the step when they report how many tasks agents complete.
- 45.9%Claude Opus 4.6 · 16 Mar 2026Emerging
- OSWorld-Verifiedby HKU, Salesforce AI Research, Carnegie Mellon University and University of Waterloo90.2%Intelligence-Indeed Agent · 25 Jul 2026Saturated
Also relevant
These benchmarks cover part of this family's work, or have no result yet. They do not set its step.
- 54.5%arito · 13 Sep 2026Emerging
Context only
These benchmarks span many occupations, or they test how agents behave. They give context but do not set the step.
- 42.9%TTE-MatrixAgent + DeepSeek-V3.2 · 10 Nov 2025Emerging
Typical tasks
From O*NET 31.0. Core tasks first. Few of these tasks have a benchmark today.
- Lift and unload containers of mail or parcels onto equipment for transportation to sortation stations.
- Verify that items are addressed correctly, marked with the proper postage, and in suitable condition for processing.
- Clear jams in sortation equipment.
- Place incoming or outgoing letters or packages into sacks or bins based on destination or type, and place identifying tags on sacks or bins.
- Release packages or letters to customers upon presentation of written notices or other identification.
- Remove containers of sorted mail or parcels and transfer them to designated areas according to established procedures.
- Determine manner in which mail is to be sent, and prepare it for delivery to mailing facilities.
- Sort and route incoming mail, and collect outgoing mail, using carts as necessary.
- Weigh packages or letters to determine postage needed, using weighing scales and rate charts.
- Fold letters or circulars and insert them in envelopes.
- Seal or open envelopes, by hand or by using machines.
- Accept and check containers of mail or parcels from large volume mailers, couriers, and contractors.
Other job titles for this occupation (56)
Insert Operator · Inserter Operator · Mail Clerk · Mail Handler · Mail Machine Operator · Mail Processor · Mail Sorter · Mailing Equipment Operator · Mailroom Processor · Postal Clerk · Addressing Machine Operator · Addressograph Operator · Advertising Inserter · Canceling Machine Operator · Dead Mail Checker · Direct Mail Clerk · Distribution Clerk · Envelope Sealer Operator · Express Clerk · Hand Inserter Operator · Inkjet Operator · Inserting Machine Operator · Mail Associate · Mail Caller · Mail Censor · Mail Distributor · Mail List Processor · Mail Opener · Mail Processing Clerk · Mail Reader · Mail Room Clerk · Mail Services Associate · Mail Services Clerk · Mail Technician (Mail Tech) · Mail Weigher · Mailer · Mailer Apprentice · Mailing Clerk · Mailing Jogger · Mailing Machine Assistant · Mailing Machine Helper · Mailing Machine Operator · Mailing Specialist · Mailroom Assistant · Mailroom Associate · Mailroom Clerk · Mailroom Specialist · Office Copy Selector · Packaging Clerk · Parcel Post Clerk · Registered Mail Clerk · Sealing Machine Operator · Slot Tag Inserter · Trust Mail Clerk · Warehouse Mail Sorter · Wrong Address Clerk