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Exam (elaborations)

Exam 421 Window Clerk Exam Solved Correctly To Score A+

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Exam 421 Window Clerk Exam Solved Correctly To Score A+

Institution
421 Postal
Module
421 Postal










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Institution
421 Postal
Module
421 Postal

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Uploaded on
December 22, 2025
Number of pages
21
Written in
2025/2026
Type
Exam (elaborations)
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Questions & answers

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Exam 421 Window Clerk Exam Solved Correctly To
Score A+
1. GIST Greeting Customers, Inquiring their needs, Suggesting options best to
the cus-
tomers' needs and Thanking them for coming to the US Postal Service

2. Processing Letters, Flats, Machinable Parcels, Irregular Parcels, and Outside Parcels.
Cate- gories

3. Letter-Size Mail Rectangular, Between 3.5" to 6 1/8" high, 5" to 11.5" long and .007"
to .25" thick. Max weight 3.5 oz

4. Postcards Rectangular, between 3.5" to 4.25" high, 5" to 6" long and .007 to
.016 thickness

5. Flat-Size Mail Flexible, Uniformly thick, Rectangular, Minimum: 6 1/8" high OR
more than 11.5" long, OR more than 1/4" thick. Maximum 12" high,
15" long and 3/4" thick. One of the minimum flat-size dimensions MUST
exceed maximum letter-size dimensions.

6. Machinabl Must weigh at least 6 ounces but no more than 25 pounds. High
e Parcels density parcels maximum weight is 15 pounds.(exception for
lightweight parcels)

7. Irregular Parcels Must have any one of the following characteristics: Less than 6" in
length, or
less than 3" in height, or less than 6 ounces. Rolls and tubes 26" long
or less. Unwrapped, paper-wrapped, or sleeve-wrapped articles that are
not letter size. And articles enclosed in envelopes that are not letters,
flats or machinable parcels.

8. Outside Parcels Length more than 27", or height than 17", or thickness more than
17". Weight
more than 25 pounds or 15 pounds if identified as high density. Rolls
and tubes longer than 26". Maximum weight for all parcels in 70
pounds. However length and girth combined can be up to 130" for
1/
11

, Exam 421 Window Clerk Exam Solved Correctly To
Score A+
Standard Post

9. Nonmachinab First-Class Mail letters that will receive the surcharge are considered if the
le Surcharge follow- ing conditions exist: Too rigid, contains pens, pencils, keys or
coins that cause thickness of the mailpiece to be uneven, is
polybagged, polywrapped or has an exterior not made of paper.
10.




1/
11

, Exam 421 Window Clerk Exam Solved Correctly To
Score A+
Priority Mail Class of mail with the Guaranteed by End of Day delivery(Next 1-day
Ex- press or 2-day), 365 days a year. Otters overnight delivery to most locations or
the customer gets their money back. Also delivery on Sundays and
holidays for additional fees. Also otters tracking, proof of delivery,
insurance up to $100 at no cost.

11. Priority Mail Nationwide delivery within one-three days in most locations, Domestic can
weigh up to 70 pounds. Automatically includes USPS Tracking and
$50 of insurance coverage when purchased at retail. Can have Extra
Services such as Signature Confirmation, Insurance, etc.

12. P.O Boxes A premier service available to customers at any Post Oflce. Otters
customers
privacy, security, and flexibility with the ability to get their mail when and
where it is most convenient.

13. EDDM Every Direct Door Mail

14. Dimensional Applies to Priority Mail packages that are more than one cubic foot
Weight (1728 cubic inches) and are destined for Zones 5-8. Maximum size for
Pricing mailing a Priority Mail item is 108" combined length and girth.

15. Balloon Price Applies to: Priority Mail packages addressed for delivery in local area
and Zones 1-4 only. Standard Parcels are applied this price as well.
Parcels that weigh less than 20 pounds but measure more than 84"
but no more than 108" in combined length and girth are charged for
a 20-pound parcel.

16. First-Class Mail Items that consist of handwritten or typewritten personal
correspondence such as bills, statements of account, postcards, and
BRM must be mailed First Class Mail, Priority, or upgraded to Priority
Mail Express

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