1|Page
USPS 421 WINDOW CLERK TEST Exam Questions
and Correct Answers Latest Update 2026
End to end process to ensure mail is collected, distributed and delivered
the type of clock the usps runs on - ANSWER -24 hour clock
Items sent within the US APO, FPO, UN, and its territories and
possessions. - ANSWER -Domestic mail
sets forth the policies, regulations and procedures governing domestic
mail - ANSWER -DMM- Domestic Mail Manual
sets forth policies, regulations, and procedures governing international
mail - ANSWER -IMM- International Mail Manual
contains policies and procedures for administrative ad support
functions within the postal service - ANSWER -ASM-Administrative and
Support Manual
all manuals are found on line via? - ANSWER -Policy Net
Guarantees overnight or next day delivery $100 insurance and free
tracking - ANSWER -Express Mail
pg. 1
, 2|Page
Premier Shipping service of the USPS - ANSWER -Express Mail
Fast and affordable max 70lbs $50 insurance another premier shipping
service of the USPS 2-3 DAYS delivery - ANSWER -Priority Mail
Bulk mail usually handled at distribution centers - ANSWER -Parcel
Select
Merchant pays postal fee returning merchandise bulk parcel return
product - ANSWER -Parcel Return Services
First class mail, periodicals, standard mail, package services - ANSWER -
Mailing services
proof of mailing uses PS Form 3800 - ANSWER -Certified Mail
Provides up to $5000 in coverage extra service requires PS Form 3813
or 3813-p - ANSWER -Insured Mail
Provides date and time of delivery, free when you purchase Priority mail
now called USPS Tracking - ANSWER -Delivery Confirmation
POM - ANSWER -Postal Operations Manual
pg. 2
USPS 421 WINDOW CLERK TEST Exam Questions
and Correct Answers Latest Update 2026
End to end process to ensure mail is collected, distributed and delivered
the type of clock the usps runs on - ANSWER -24 hour clock
Items sent within the US APO, FPO, UN, and its territories and
possessions. - ANSWER -Domestic mail
sets forth the policies, regulations and procedures governing domestic
mail - ANSWER -DMM- Domestic Mail Manual
sets forth policies, regulations, and procedures governing international
mail - ANSWER -IMM- International Mail Manual
contains policies and procedures for administrative ad support
functions within the postal service - ANSWER -ASM-Administrative and
Support Manual
all manuals are found on line via? - ANSWER -Policy Net
Guarantees overnight or next day delivery $100 insurance and free
tracking - ANSWER -Express Mail
pg. 1
, 2|Page
Premier Shipping service of the USPS - ANSWER -Express Mail
Fast and affordable max 70lbs $50 insurance another premier shipping
service of the USPS 2-3 DAYS delivery - ANSWER -Priority Mail
Bulk mail usually handled at distribution centers - ANSWER -Parcel
Select
Merchant pays postal fee returning merchandise bulk parcel return
product - ANSWER -Parcel Return Services
First class mail, periodicals, standard mail, package services - ANSWER -
Mailing services
proof of mailing uses PS Form 3800 - ANSWER -Certified Mail
Provides up to $5000 in coverage extra service requires PS Form 3813
or 3813-p - ANSWER -Insured Mail
Provides date and time of delivery, free when you purchase Priority mail
now called USPS Tracking - ANSWER -Delivery Confirmation
POM - ANSWER -Postal Operations Manual
pg. 2
