USPS 421 WINDOW CLERK COMPREHENSIVE
EXAM 2026 QUESTIONS WITH SOLUTIONS
GRADED A+
◉ PS Form 3816. Answer: COD
◉ PS Form 3816-AS. Answer: More than 3 COD articles are mailed at
one time
◉ Parcel Post and zones 5-8 larger than 1 cubic foot use. Answer:
Dimensional Pricing
◉ Ensures that mail is delivered to a specific addressee or the
addressee agent for a fee. Answer: Restricted delivery
◉ Post Office motto for providing the ideal customer experience.
Answer: Clean, Stocked, and Friendly Everyday
◉ What are the three P's that influence customer perception.
Answer: Personal, Professional, Postal
◉ What does G.I.S.T. stand for. Answer: Greet, Inquiry, Suggest, and
Thank
,◉ Words that generate a negative feeling. Answer: Trigger Words
◉ Words that make us feel relaxed and composed. Answer: Calming
Words
◉ What does POS stand for. Answer: Point of Service
◉ Postal Bulletin, Retail Digest, LMS, Emails, service talks, postal
message center, news link are all. Answer: Retail Communication
Channels
◉ SSK, ATM, Stamps by mail, USPS.COM, CPU, Village post offices,
mobile retail units, stamps-to-go, stamps by phone, approved
shippes,. Answer: 10 expanded access channels
◉ PS Form 1412. Answer: End of the day report
◉ SSA is accountable for ______ at the retail floor. Answer: $100 in
cash(AIC753) and blank money orders
◉ Available at designated PO for transients and people waiting to
get PO Boxes and the mail is help for a max of 30 days unless
extended my Postmaster. Answer: General Delivery
, ◉ SIA. Answer: Segmented Inventory Accountability
◉ what credit is it when the stock custodian holds unit resolve and
transfer to retail floor SSA and the abbreviation for it. Answer: SIA -
Segmented Inventory Accountability
◉ on the due date a PO Box powered mail is distributed to the box
but not delivered. Answer: 1st day of the month (10 day grace
period)
◉ on this day a reminder letter is generated from webbats and
placed in the PO Box. Answer: 20th day
◉ on this day the PO Box is returned to sender. Answer: 11th day
◉ When customer goes on vacation the post office can hold their
mail for a max of. Answer: 30 days
◉ What does RCE stand for. Answer: Retail Customer Experience
◉ Max weight for a 1st class letter. Answer: 13 oz
EXAM 2026 QUESTIONS WITH SOLUTIONS
GRADED A+
◉ PS Form 3816. Answer: COD
◉ PS Form 3816-AS. Answer: More than 3 COD articles are mailed at
one time
◉ Parcel Post and zones 5-8 larger than 1 cubic foot use. Answer:
Dimensional Pricing
◉ Ensures that mail is delivered to a specific addressee or the
addressee agent for a fee. Answer: Restricted delivery
◉ Post Office motto for providing the ideal customer experience.
Answer: Clean, Stocked, and Friendly Everyday
◉ What are the three P's that influence customer perception.
Answer: Personal, Professional, Postal
◉ What does G.I.S.T. stand for. Answer: Greet, Inquiry, Suggest, and
Thank
,◉ Words that generate a negative feeling. Answer: Trigger Words
◉ Words that make us feel relaxed and composed. Answer: Calming
Words
◉ What does POS stand for. Answer: Point of Service
◉ Postal Bulletin, Retail Digest, LMS, Emails, service talks, postal
message center, news link are all. Answer: Retail Communication
Channels
◉ SSK, ATM, Stamps by mail, USPS.COM, CPU, Village post offices,
mobile retail units, stamps-to-go, stamps by phone, approved
shippes,. Answer: 10 expanded access channels
◉ PS Form 1412. Answer: End of the day report
◉ SSA is accountable for ______ at the retail floor. Answer: $100 in
cash(AIC753) and blank money orders
◉ Available at designated PO for transients and people waiting to
get PO Boxes and the mail is help for a max of 30 days unless
extended my Postmaster. Answer: General Delivery
, ◉ SIA. Answer: Segmented Inventory Accountability
◉ what credit is it when the stock custodian holds unit resolve and
transfer to retail floor SSA and the abbreviation for it. Answer: SIA -
Segmented Inventory Accountability
◉ on the due date a PO Box powered mail is distributed to the box
but not delivered. Answer: 1st day of the month (10 day grace
period)
◉ on this day a reminder letter is generated from webbats and
placed in the PO Box. Answer: 20th day
◉ on this day the PO Box is returned to sender. Answer: 11th day
◉ When customer goes on vacation the post office can hold their
mail for a max of. Answer: 30 days
◉ What does RCE stand for. Answer: Retail Customer Experience
◉ Max weight for a 1st class letter. Answer: 13 oz
