Postal Procedures Study Guide

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USPS Exam 421 Window Clerk (NEW UPDATED VERSION) LATEST ACTUAL
EXAM QUESTIONS AND CORRECT ANSWERS (VERIFIED QUESTIONS AND
ANSWERS)- GUARANTEED PASS A+ UPDATED 2026
End to end process to ensure mail is collected, distributed and delivered the type of clock the
usps runs on - CORRECT ANSWER 24 hour clock



QUESTION : Items sent within the US APO, FPO, UN, and its territories and possessions. -
CORRECT ANSWER Domestic mail



QUESTION : sets forth the policies, regulations and procedures governing domestic mail -
CORRECT ANSWER DMM- Domestic Mail Manual



QUESTION : sets forth policies, regulations, and procedures governing international mail -
CORRECT ANSWER IMM- International Mail Manual



QUESTION : contains policies and procedures for administrative ad support functions within
the postal service - CORRECT ANSWER ASM-Administrative and Support Manual



QUESTION : all manuals are found on line via? - CORRECT ANSWER Policy Net



QUESTION : Guarantees overnight or next day delivery $100 insurance and free tracking -
CORRECT ANSWER Express Mail



QUESTION : Premier Shipping service of the USPS - CORRECT ANSWER Express Mail



QUESTION : Fast and affordable max 70lbs $50 insurance another premier shipping service of
the USPS 2-3 DAYS delivery - CORRECT ANSWER Priority Mail




2026 2027 GRADED A+

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QUESTION : Bulk mail usually handled at distribution centers - CORRECT ANSWER
Parcel Select


QUESTION : Merchant pays postal fee returning merchandise bulk parcel return product -
CORRECT ANSWER Parcel Return Services



QUESTION : First class mail, periodicals, standard mail, package services - CORRECT
ANSWER Mailing services



QUESTION : proof of mailing uses PS Form 3800 - CORRECT ANSWER Certified Mail



QUESTION : Provides up to $5000 in coverage extra service requires PS Form 3813 or 3813-p -
CORRECT ANSWER Insured Mail



QUESTION : Provides date and time of delivery, free when you purchase Priority mail now
called USPS Tracking - CORRECT ANSWER Delivery Confirmation



QUESTION : POM - CORRECT ANSWER Postal Operations Manual



QUESTION : Official Source for updates and updated bi-weekly - CORRECT ANSWER
Postal bulletin


QUESTION : Does this package contain anything liquid, fragile, potentially hazardous' such
as/like perfume or lithium batteries? - CORRECT ANSWER 6 Part of HAZMAT
question



QUESTION : Tells you when and how to display the POW flag - CORRECT ANSWER
Postal Bulletin




2026 2027 GRADED A+