USPS 421 WINDOW CLERK EXAM / WINDOW CLERK 421USPS EXAM 200+REAL
EXAM QUESTIONS AND 100% CORRECT ANSWERS
Part 1: Address Checking & Following Instructions (15 Questions)
Instructions: For questions 1-5, determine which address in each pair is the correct one, or
if they are both correct or both incorrect. Mark A if the first address is correct, B if the
second address is correct, C if both are correct, D if both are incorrect.
Question 1
1. 100 Capitol Blvd Apt A, Washington, DC 20001
2. 100 Capitol Boulevard Apartment A, Washington, DC 20001
Correct Answer: C) Both are correct
Rationale: "Blvd" and "Boulevard", and "Apt" and "Apartment" are acceptable
abbreviations or full spellings that refer to the same address component.
Question 2
1. 250 N Elm St, Ste 300, Anytown, CA 90210
2. 250 North Elm Street, Suite 300, Anytown, CA 90210
Correct Answer: C) Both are correct
Rationale: "N" and "North", "St" and "Street", "Ste" and "Suite" are acceptable
abbreviations or full spellings.
Question 3
1. Rural Route 1 Box 15, Anytown, CA 90210
2. RR 1 Box 15, Anytown, CA 90210
Correct Answer: C) Both are correct
Rationale: "Rural Route" and "RR" are acceptable notations for a rural route
address.
Question 4
1. 700 S. Main St, Anytown, CA 90210
2. 700 S Main St, Anytown, CA 90210
Correct Answer: C) Both are correct
Rationale: The use of a period after a directional abbreviation (like "S.") is optional
but acceptable; both forms are recognized.
Question 5
1. 400 W. Cedar Dr. #10, Anytown, CA 90210
, 2. 400 W Cedar Drive #10, Anytown, CA 90210
Correct Answer: C) Both are correct
Rationale: "W" and "West" are acceptable abbreviations; "Dr" and "Drive" are
acceptable abbreviations/full spellings. The period after "Dr" is optional but
acceptable.
Instructions: For questions 6-10, read the following Post Office Notice and answer the
questions.
Post Office Notice: Temporary Change in Hours
Effective Monday, October 15th, the Anytown Post Office will operate under revised hours due
to staffing adjustments.
New Lobby Hours: Monday-Friday 8:30 AM - 5:00 PM; Saturday 9:00 AM - 1:00 PM; Sunday:
Closed.
New Window Service Hours: Monday-Friday 9:00 AM - 4:30 PM; Saturday 9:00 AM - 12:30
PM; Sunday: Closed.
These changes will remain in effect until further notice. We apologize for any inconvenience.
Question 6
What is the latest time a customer can access the lobby on a Tuesday?
A) 4:30 PM
B) 5:00 PM
C) 9:00 AM
D) 12:30 PM
Correct Answer: B) 5:00 PM
Rationale: The notice states "New Lobby Hours: Monday-Friday 8:30 AM - 5:00 PM."
Question 7
On what day does this change in hours become effective?
A) Immediately
B) October 15th
C) Until further notice
D) Next Monday
Correct Answer: B) October 15th
Rationale: The notice states "Effective Monday, October 15th."
Question 8
How long will these new hours be in effect?
A) For one week.
B) Until the end of the year.
C) Until further notice.
D) Until staffing returns to normal.
, Correct Answer: C) Until further notice.
Rationale: The notice states "These changes will remain in effect until further notice."
Question 9
A customer needs to purchase stamps. On a Saturday, what is the earliest they can do this at the
window?
A) 8:30 AM
B) 9:00 AM
C) 5:00 PM
D) The window is closed on Saturdays.
Correct Answer: B) 9:00 AM
Rationale: The notice states "New Window Service Hours: ... Saturday 9:00 AM - 12:30
PM."
Question 10
Is window service available on Sundays under the new schedule?
A) Yes, from 9:00 AM to 12:30 PM.
B) Yes, from 9:00 AM to 1:00 PM.
C) No, it is closed.
D) Only for Express Mail.
Correct Answer: C) No, it is closed.
Rationale: The notice explicitly states "Sunday: Closed" for both lobby and window
service.
Instructions: For questions 11-15, identify if the two mail items require the same postage or
different postage, based on typical First-Class Mail domestic standards. Assume both are
within weight limits for standard letter/flat rates.
A) Same Postage
B) Different Postage
Question 11
1. A standard letter, 0.7 oz.
2. A standard letter, 0.9 oz.
Correct Answer: A) Same Postage
Rationale: Both are within the 1-ounce weight limit for a standard First-Class letter,
requiring a single Forever stamp.
Question 12
1. A standard postcard.
EXAM QUESTIONS AND 100% CORRECT ANSWERS
Part 1: Address Checking & Following Instructions (15 Questions)
Instructions: For questions 1-5, determine which address in each pair is the correct one, or
if they are both correct or both incorrect. Mark A if the first address is correct, B if the
second address is correct, C if both are correct, D if both are incorrect.
Question 1
1. 100 Capitol Blvd Apt A, Washington, DC 20001
2. 100 Capitol Boulevard Apartment A, Washington, DC 20001
Correct Answer: C) Both are correct
Rationale: "Blvd" and "Boulevard", and "Apt" and "Apartment" are acceptable
abbreviations or full spellings that refer to the same address component.
Question 2
1. 250 N Elm St, Ste 300, Anytown, CA 90210
2. 250 North Elm Street, Suite 300, Anytown, CA 90210
Correct Answer: C) Both are correct
Rationale: "N" and "North", "St" and "Street", "Ste" and "Suite" are acceptable
abbreviations or full spellings.
Question 3
1. Rural Route 1 Box 15, Anytown, CA 90210
2. RR 1 Box 15, Anytown, CA 90210
Correct Answer: C) Both are correct
Rationale: "Rural Route" and "RR" are acceptable notations for a rural route
address.
Question 4
1. 700 S. Main St, Anytown, CA 90210
2. 700 S Main St, Anytown, CA 90210
Correct Answer: C) Both are correct
Rationale: The use of a period after a directional abbreviation (like "S.") is optional
but acceptable; both forms are recognized.
Question 5
1. 400 W. Cedar Dr. #10, Anytown, CA 90210
, 2. 400 W Cedar Drive #10, Anytown, CA 90210
Correct Answer: C) Both are correct
Rationale: "W" and "West" are acceptable abbreviations; "Dr" and "Drive" are
acceptable abbreviations/full spellings. The period after "Dr" is optional but
acceptable.
Instructions: For questions 6-10, read the following Post Office Notice and answer the
questions.
Post Office Notice: Temporary Change in Hours
Effective Monday, October 15th, the Anytown Post Office will operate under revised hours due
to staffing adjustments.
New Lobby Hours: Monday-Friday 8:30 AM - 5:00 PM; Saturday 9:00 AM - 1:00 PM; Sunday:
Closed.
New Window Service Hours: Monday-Friday 9:00 AM - 4:30 PM; Saturday 9:00 AM - 12:30
PM; Sunday: Closed.
These changes will remain in effect until further notice. We apologize for any inconvenience.
Question 6
What is the latest time a customer can access the lobby on a Tuesday?
A) 4:30 PM
B) 5:00 PM
C) 9:00 AM
D) 12:30 PM
Correct Answer: B) 5:00 PM
Rationale: The notice states "New Lobby Hours: Monday-Friday 8:30 AM - 5:00 PM."
Question 7
On what day does this change in hours become effective?
A) Immediately
B) October 15th
C) Until further notice
D) Next Monday
Correct Answer: B) October 15th
Rationale: The notice states "Effective Monday, October 15th."
Question 8
How long will these new hours be in effect?
A) For one week.
B) Until the end of the year.
C) Until further notice.
D) Until staffing returns to normal.
, Correct Answer: C) Until further notice.
Rationale: The notice states "These changes will remain in effect until further notice."
Question 9
A customer needs to purchase stamps. On a Saturday, what is the earliest they can do this at the
window?
A) 8:30 AM
B) 9:00 AM
C) 5:00 PM
D) The window is closed on Saturdays.
Correct Answer: B) 9:00 AM
Rationale: The notice states "New Window Service Hours: ... Saturday 9:00 AM - 12:30
PM."
Question 10
Is window service available on Sundays under the new schedule?
A) Yes, from 9:00 AM to 12:30 PM.
B) Yes, from 9:00 AM to 1:00 PM.
C) No, it is closed.
D) Only for Express Mail.
Correct Answer: C) No, it is closed.
Rationale: The notice explicitly states "Sunday: Closed" for both lobby and window
service.
Instructions: For questions 11-15, identify if the two mail items require the same postage or
different postage, based on typical First-Class Mail domestic standards. Assume both are
within weight limits for standard letter/flat rates.
A) Same Postage
B) Different Postage
Question 11
1. A standard letter, 0.7 oz.
2. A standard letter, 0.9 oz.
Correct Answer: A) Same Postage
Rationale: Both are within the 1-ounce weight limit for a standard First-Class letter,
requiring a single Forever stamp.
Question 12
1. A standard postcard.
