Postal Regulations & General Knowledge Flashcards

What is the minimum number of digits in a standard U.S. ZIP code?

Answer: 5 digits

The standard U.S. ZIP code is 5 digits; the extended ZIP+4 adds four more digits after a hyphen.

Which mail class is restricted to educational, cultural, and scientific materials like books and CDs?

Answer: Media Mail

Media Mail is the low-cost class for books, sound recordings, and educational materials, with restrictions on advertising content.

What does USPS require for a mailpiece to qualify as automation-compatible?

Answer: A machine-readable address with correct format, barcode, and proper size/weight

Automation-compatible mail must meet size, weight, and legibility standards including a scannable barcode for automated sorting.

What is the term for the USPS practice of forwarding mail to a new address when a customer files a change of address form?

Answer: Mail Forwarding

Mail Forwarding is the service by which USPS temporarily or permanently redirects mail to a new address.

Which USPS regulation prohibits non-postal items from being placed in a customer's mailbox?

Answer: Title 18, U.S. Code, Section 1725, the Mailbox Statute

Federal law (18 USC § 1725) restricts mailbox use exclusively to mail bearing proper postage.

What does the USPS Intelligent Mail Barcode (IMb) encode?

Answer: Routing ZIP code, mailer ID, and serial number in a single barcode

The IMb combines routing, mailer identification, and tracking data into one barcode, replacing older POSTNET and PLANET codes.