USPS USPS Error Detection Alphanumeric Code Verification Questions and Answers 2

Question 1

Compare the following two codes: 4R7-KL92-M3X and 4R7-KL92-M3X. Is there an error?

Accepted Answer

No error

Answer

Both codes are identical with no differences in any segment.

Question 2

Compare the following two codes: 58NQ-3271-VP and 58NQ-3217-VP. Is there an error?

Accepted Answer

Error in the middle segment

Answer

The middle segment differs: 3271 versus 3217, where the digits 7 and 1 are transposed.

Question 3

Compare the following two codes: BZ6-4490-T1W and BZ6-4490-T7W. Is there an error?

Accepted Answer

Error in the last segment

Answer

The last segment differs: T1W versus T7W, where the digit 1 is replaced by 7.

Question 4

Compare the following two codes: 9GH-5532-RA4 and 9CH-5532-RA4. Is there an error?

Accepted Answer

Error in the first segment

Answer

The first segment differs: 9GH versus 9CH, where the letter G is replaced by C.

Question 5

Compare the following two codes: LP21-8K4F-63 and LP21-8K4F-63. Is there an error?

Accepted Answer

No error

Answer

Both codes match exactly across all three segments with no discrepancies.

USPS Error Detection Test Practice Test