# 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. - Code: 43-9051.00 (O*NET-SOC; SOC 2018 43-9051) - Family: [Office & Administrative Support](https://foundation.org.ai/occupations#family-43), one of its 55 occupations - Tasks: 26 tasks (8 core and 18 supplemental) - Page: https://foundation.org.ai/occupations/43-9051.00 - JSON: https://foundation.org.ai/data/tasks/43-9051.00.json ## What the work is made of 1. Wrap packages or bundles by hand, or by using tying machines. Core task · Task 13268 · Rated by 84 people who do the job, July 2016 2. Verify that items are addressed correctly, marked with the proper postage, and in suitable condition for processing. Core task · Task 13261 · Rated by 85 people who do the job, July 2016 3. Remove containers of sorted mail or parcels and transfer them to designated areas according to established procedures. Core task · Task 13276 · Rated by 86 people who do the job, July 2016 4. Sort and route incoming mail, and collect outgoing mail, using carts as necessary. Core task · Task 13264 · Rated by 86 people who do the job, July 2016 5. Affix postage to packages or letters by hand, or stamp materials, using postage meters. Core task · Task 13260 · Rated by 85 people who do the job, July 2016 6. Determine manner in which mail is to be sent, and prepare it for delivery to mailing facilities. Core task · Task 13266 · Rated by 86 people who do the job, July 2016 7. Accept and check containers of mail or parcels from large volume mailers, couriers, and contractors. Core task · Task 13282 · Rated by 85 people who do the job, July 2016 8. Seal or open envelopes, by hand or by using machines. Core task · Task 13259 · Rated by 86 people who do the job, July 2016 9. Weigh packages or letters to determine postage needed, using weighing scales and rate charts. Supplemental task · Task 13265 · Rated by 86 people who do the job, July 2016 10. Inspect mail machine output for defects and determine how to eliminate causes of any defects. Supplemental task · Task 13275 · Rated by 85 people who do the job, July 2016 11. Remove from machines printed materials, such as labeled articles, postmarked envelopes or tape, and folded sheets. Supplemental task · Task 13270 · Rated by 86 people who do the job, July 2016 12. Release packages or letters to customers upon presentation of written notices or other identification. Supplemental task · Task 13283 · Rated by 85 people who do the job, July 2016 13. Operate computer-controlled keyboards or voice recognition equipment to direct items according to established routing schemes. Supplemental task · Task 13280 · Rated by 86 people who do the job, July 2016 14. Answer inquiries regarding shipping or mailing policies. Supplemental task · Task 13284 · Rated by 85 people who do the job, July 2016 15. Lift and unload containers of mail or parcels onto equipment for transportation to sortation stations. Supplemental task · Task 13267 · Rated by 86 people who do the job, July 2016 16. Contact delivery or courier services to arrange delivery of letters and parcels. Supplemental task · Task 13277 · Rated by 84 people who do the job, July 2016 17. Place incoming or outgoing letters or packages into sacks or bins based on destination or type, and place identifying tags on sacks or bins. Supplemental task · Task 13262 · Rated by 86 people who do the job, July 2016 18. Clear jams in sortation equipment. Supplemental task · Task 13263 · Rated by 86 people who do the job, July 2016 19. Mail merchandise samples or promotional literature in response to requests. Supplemental task · Task 13274 · Rated by 84 people who do the job, July 2016 20. Adjust guides, rollers, loose card inserters, weighing machines, and tying arms, using rules and hand tools. Supplemental task · Task 13281 · Rated by 85 people who do the job, July 2016 21. Read production orders to determine types and sizes of items scheduled for printing and mailing. Supplemental task · Task 13273 · Rated by 86 people who do the job, July 2016 22. Sell mail products, and accept payment for products and mailing charges. Supplemental task · Task 13286 · Rated by 85 people who do the job, July 2016 23. Start machines that automatically feed plates, stencils, or tapes through mechanisms, and observe machine operations to detect any malfunctions. Supplemental task · Task 13272 · Rated by 84 people who do the job, July 2016 24. Stamp dates and times of receipt of incoming mail. Supplemental task · Task 13279 · Rated by 86 people who do the job, July 2016 25. Add ink, fill paste reservoirs, and change machine ribbons when necessary. Supplemental task · Task 13271 · Rated by 86 people who do the job, July 2016 26. Fold letters or circulars and insert them in envelopes. Supplemental task · Task 13269 · Rated by 86 people who do the job, July 2016 ## More in Office & Administrative Support - [Bill and Account Collectors](https://foundation.org.ai/occupations/43-3011.00): 15 tasks - [Billing and Posting Clerks](https://foundation.org.ai/occupations/43-3021.00): 28 tasks - [Bookkeeping, Accounting, and Auditing Clerks](https://foundation.org.ai/occupations/43-3031.00): 28 tasks - [Brokerage Clerks](https://foundation.org.ai/occupations/43-4011.00): 10 tasks - [Cargo and Freight Agents](https://foundation.org.ai/occupations/43-5011.00): 24 tasks - [Communications Equipment Operators, All Other](https://foundation.org.ai/occupations/43-2099.00): no tasks listed - [Correspondence Clerks](https://foundation.org.ai/occupations/43-4021.00): 17 tasks - [Couriers and Messengers](https://foundation.org.ai/occupations/43-5021.00): 15 tasks - [Court, Municipal, and License Clerks](https://foundation.org.ai/occupations/43-4031.00): 30 tasks - [Credit Authorizers, Checkers, and Clerks](https://foundation.org.ai/occupations/43-4041.00): 16 tasks - 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[New Accounts Clerks](https://foundation.org.ai/occupations/43-4141.00): 15 tasks - [Office and Administrative Support Workers, All Other](https://foundation.org.ai/occupations/43-9199.00): no tasks listed - [Office Clerks, General](https://foundation.org.ai/occupations/43-9061.00): 20 tasks - [Office Machine Operators, Except Computer](https://foundation.org.ai/occupations/43-9071.00): 18 tasks - [Order Clerks](https://foundation.org.ai/occupations/43-4151.00): 19 tasks - [Payroll and Timekeeping Clerks](https://foundation.org.ai/occupations/43-3051.00): 21 tasks - [Postal Service Clerks](https://foundation.org.ai/occupations/43-5051.00): 19 tasks - [Postal Service Mail Carriers](https://foundation.org.ai/occupations/43-5052.00): 21 tasks - [Postal Service Mail Sorters, Processors, and Processing Machine Operators](https://foundation.org.ai/occupations/43-5053.00): 14 tasks - [Procurement Clerks](https://foundation.org.ai/occupations/43-3061.00): 19 tasks - [Production, Planning, and Expediting Clerks](https://foundation.org.ai/occupations/43-5061.00): 17 tasks - [Proofreaders and Copy Markers](https://foundation.org.ai/occupations/43-9081.00): 11 tasks - [Public Safety Telecommunicators](https://foundation.org.ai/occupations/43-5031.00): 18 tasks - [Receptionists and Information Clerks](https://foundation.org.ai/occupations/43-4171.00): 18 tasks - [Reservation and Transportation Ticket Agents and Travel Clerks](https://foundation.org.ai/occupations/43-4181.00): 21 tasks - [Secretaries and Administrative Assistants, Except Legal, Medical, and Executive](https://foundation.org.ai/occupations/43-6014.00): 31 tasks - [Shipping, Receiving, and Inventory Clerks](https://foundation.org.ai/occupations/43-5071.00): 11 tasks - [Statistical Assistants](https://foundation.org.ai/occupations/43-9111.00): 14 tasks - [Switchboard Operators, Including Answering Service](https://foundation.org.ai/occupations/43-2011.00): 19 tasks - [Telephone Operators](https://foundation.org.ai/occupations/43-2021.00): 14 tasks - [Tellers](https://foundation.org.ai/occupations/43-3071.00): 28 tasks - [Weighers, Measurers, Checkers, and Samplers, Recordkeeping](https://foundation.org.ai/occupations/43-5111.00): 18 tasks - [Word Processors and Typists](https://foundation.org.ai/occupations/43-9022.00): 19 tasks ## Where this comes from Quoted from O*NET 29.0, U.S. Department of Labor, Employment and Training Administration, under CC BY 4.0: free to copy and reuse, with credit. 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