1
USPS 421 Window Clerk Exam ACTUAL EXAM
QUESTIONS AND ANSWERS 2026/2027 | Full-
Length Test | Simulates 4-Part Exam Format | Pass
Guaranteed - A+ Graded
SECTION 1: ADDRESS CHECKING (Items 1-20)
Directions: Compare the two addresses in each question. If they are EXACTLY the same, choose
A. If they are in any way DIFFERENT, choose B.
Q1:
Address 1: 2847 ELMWOOD AVE, APT 3C, BUFFALO, NY 14216
Address 2: 2847 ELMWOOD AVE, APT 3C, BUFFALO, NY 14216
A. Same [CORRECT]
B. Different
Correct Answer: A
Rationale: The two addresses are identical in every character, including spacing and punctuation.
Q2:
Address 1: 15632 HIGHLAND PARK BLVD, STE 200, DALLAS, TX 75205
Address 2: 15632 HIGHLAND PARK BLVD, STE 200, DALLAS, TX 75206
A. Same
B. Different [CORRECT]
Correct Answer: B
Rationale: The ZIP codes differ: "75205" vs. "75206" (last digit changed from 5 to 6).
Q3:
Address 1: 89 MAPLE STREET, UNIT B-12, PORTLAND, ME 04101
Address 2: 89 MAPLE ST, UNIT B-12, PORTLAND, ME 04101
A. Same
B. Different [CORRECT]
,2
Correct Answer: B
Rationale: The street suffix differs: "STREET" is spelled out in the first address but abbreviated
as "ST" in the second.
Q4:
Address 1: 3401 OCEAN FRONT WALK, VENICE, CA 90291
Address 2: 3401 OCEAN FRONT WALK, VENICE, CA 90291
A. Same [CORRECT]
B. Different
Correct Answer: A
Rationale: Both addresses are exactly identical, including the specific street name "OCEAN
FRONT WALK."
Q5:
Address 1: 5521 NORTH LINCOLN AVENUE, CHICAGO, IL 60625
Address 2: 5521 N LINCOLN AVE, CHICAGO, IL 60625
A. Same
B. Different [CORRECT]
Correct Answer: B
Rationale: Directional and suffix abbreviations differ: "NORTH" vs. "N" and "AVENUE" vs.
"AVE."
Q6:
Address 1: 7800 E JEFFERSON BLVD, BLDG 4, DETROIT, MI 48214
Address 2: 7800 E JEFFERSON BLVD, BLDG 4, DETROIT, MI 48214
A. Same [CORRECT]
B. Different
Correct Answer: A
Rationale: Both addresses match exactly, including the directional prefix "E" and building
designation "BLDG 4."
Q7:
, 3
Address 1: 2150 K STREET NW, WASHINGTON, DC 20037
Address 2: 2150 K ST NW, WASHINGTON, DC 20037
A. Same
B. Different [CORRECT]
Correct Answer: B
Rationale: Street suffix differs: "STREET" vs. "ST." In USPS addressing standards, these are
considered different representations.
Q8:
Address 1: 1001 PENNSYLVANIA AVE NW, WASHINGTON, DC 20004
Address 2: 1001 PENNSYLVANIA AVE NW, WASHINGTON, DC 20004
A. Same [CORRECT]
B. Different
Correct Answer: A
Rationale: Both addresses are exactly identical, including the NW quadrant designation.
Q9:
Address 1: 4567 SOUTHWEST 12TH STREET, MIAMI, FL 33134
Address 2: 4567 SW 12TH ST, MIAMI, FL 33134
A. Same
B. Different [CORRECT]
Correct Answer: B
Rationale: Directional prefix and street suffix differ: "SOUTHWEST" vs. "SW" and "STREET"
vs. "ST."
Q10:
Address 1: 9999 WILSHIRE BLVD, PENTHOUSE 1, BEVERLY HILLS, CA 90210
Address 2: 9999 WILSHIRE BLVD, PENTHOUSE 1, BEVERLY HILLS, CA 90210
A. Same [CORRECT]
B. Different
Correct Answer: A
USPS 421 Window Clerk Exam ACTUAL EXAM
QUESTIONS AND ANSWERS 2026/2027 | Full-
Length Test | Simulates 4-Part Exam Format | Pass
Guaranteed - A+ Graded
SECTION 1: ADDRESS CHECKING (Items 1-20)
Directions: Compare the two addresses in each question. If they are EXACTLY the same, choose
A. If they are in any way DIFFERENT, choose B.
Q1:
Address 1: 2847 ELMWOOD AVE, APT 3C, BUFFALO, NY 14216
Address 2: 2847 ELMWOOD AVE, APT 3C, BUFFALO, NY 14216
A. Same [CORRECT]
B. Different
Correct Answer: A
Rationale: The two addresses are identical in every character, including spacing and punctuation.
Q2:
Address 1: 15632 HIGHLAND PARK BLVD, STE 200, DALLAS, TX 75205
Address 2: 15632 HIGHLAND PARK BLVD, STE 200, DALLAS, TX 75206
A. Same
B. Different [CORRECT]
Correct Answer: B
Rationale: The ZIP codes differ: "75205" vs. "75206" (last digit changed from 5 to 6).
Q3:
Address 1: 89 MAPLE STREET, UNIT B-12, PORTLAND, ME 04101
Address 2: 89 MAPLE ST, UNIT B-12, PORTLAND, ME 04101
A. Same
B. Different [CORRECT]
,2
Correct Answer: B
Rationale: The street suffix differs: "STREET" is spelled out in the first address but abbreviated
as "ST" in the second.
Q4:
Address 1: 3401 OCEAN FRONT WALK, VENICE, CA 90291
Address 2: 3401 OCEAN FRONT WALK, VENICE, CA 90291
A. Same [CORRECT]
B. Different
Correct Answer: A
Rationale: Both addresses are exactly identical, including the specific street name "OCEAN
FRONT WALK."
Q5:
Address 1: 5521 NORTH LINCOLN AVENUE, CHICAGO, IL 60625
Address 2: 5521 N LINCOLN AVE, CHICAGO, IL 60625
A. Same
B. Different [CORRECT]
Correct Answer: B
Rationale: Directional and suffix abbreviations differ: "NORTH" vs. "N" and "AVENUE" vs.
"AVE."
Q6:
Address 1: 7800 E JEFFERSON BLVD, BLDG 4, DETROIT, MI 48214
Address 2: 7800 E JEFFERSON BLVD, BLDG 4, DETROIT, MI 48214
A. Same [CORRECT]
B. Different
Correct Answer: A
Rationale: Both addresses match exactly, including the directional prefix "E" and building
designation "BLDG 4."
Q7:
, 3
Address 1: 2150 K STREET NW, WASHINGTON, DC 20037
Address 2: 2150 K ST NW, WASHINGTON, DC 20037
A. Same
B. Different [CORRECT]
Correct Answer: B
Rationale: Street suffix differs: "STREET" vs. "ST." In USPS addressing standards, these are
considered different representations.
Q8:
Address 1: 1001 PENNSYLVANIA AVE NW, WASHINGTON, DC 20004
Address 2: 1001 PENNSYLVANIA AVE NW, WASHINGTON, DC 20004
A. Same [CORRECT]
B. Different
Correct Answer: A
Rationale: Both addresses are exactly identical, including the NW quadrant designation.
Q9:
Address 1: 4567 SOUTHWEST 12TH STREET, MIAMI, FL 33134
Address 2: 4567 SW 12TH ST, MIAMI, FL 33134
A. Same
B. Different [CORRECT]
Correct Answer: B
Rationale: Directional prefix and street suffix differ: "SOUTHWEST" vs. "SW" and "STREET"
vs. "ST."
Q10:
Address 1: 9999 WILSHIRE BLVD, PENTHOUSE 1, BEVERLY HILLS, CA 90210
Address 2: 9999 WILSHIRE BLVD, PENTHOUSE 1, BEVERLY HILLS, CA 90210
A. Same [CORRECT]
B. Different
Correct Answer: A
