USPS Error Detection Address and ZIP Code Matching Questions and Answers

Question 1

An address line reads '123 Main St, Anytown, USA 12345'. The ZIP Code '12345' corresponds to 'Anycity' according to the USPS database, not 'Anytown'. How should this mailpiece be handled by automated sorting equipment?

Accepted Answer

It will be dispatched to the Post Office indicated by the ZIP Code '12345'.

Answer

When there is a conflict between the city/state name and the ZIP Code, USPS automated systems prioritize the ZIP Code for routing. The mailpiece is sent to the Post Office facility associated with the provided ZIP Code for potential delivery.

Question 2

Which of the following addresses is considered 'complete' according to USPS standards for achieving the finest level of ZIP+4 code matching?

Accepted Answer

JOHN SMITH, 100 NORTH MAIN STREET APT 4B, ANYTOWN, CA 12345

Answer

A complete address, as defined by USPS, includes all necessary elements for an exact match to the ZIP+4 database. This includes the recipient's name, the full street address with any secondary unit designators (like APT 4B), the city, state, and correct ZIP Code.

Question 3

A mailpiece has a 'dual address', listing both a street address and a P.O. Box number on separate lines above the city and state. To which location will the mailpiece be delivered?

Accepted Answer

To the address immediately above the City, State, and ZIP Code line.

Answer

USPS regulations state that for a dual address, the mail is delivered to the address that appears directly above the city, state, and ZIP Code line. The ZIP Code used must also correspond to that specific delivery line.

Question 4

During an address validation process, a primary address like '250 Oak Ave' is confirmed as valid, but the system flags it with a 'DPV S' indicator. What does this signify?

Accepted Answer

The primary address is valid, but secondary information (like a suite or apartment number) is missing or unconfirmed.

Answer

A Delivery Point Validation (DPV) 'S' code means the primary address (the building) is valid, but the secondary address information (like an apartment or suite number) is missing or could not be confirmed. This indicates a high risk of non-delivery.

Question 5

When standardizing an address to USPS preferred format, which of the following is an INCORRECT action?

Accepted Answer

Placing the apartment number on its own line below the street address.

Answer

USPS prefers that secondary address information, such as an apartment or suite number, be placed on the same line as the street address. Placing it on a separate line can confuse automated sorting equipment.

USPS Error Detection Test Practice Test

USPS Error Detection Test Practice Test

USPS Error Detection Address and ZIP Code Matching Questions and Answers