USPS 421 Postal Exam Review – Questions and Verified Answers – A+ Graded (2026/2027)

1. USPS: A business. One stop shopping ƒor all delivery needs. Have the Monopoly to deliver Ƒirst Class Mail (ƑCM).

2. Perception: is REALITY

3. Need: A desire to improve or accomplish something.

4. HAZMAT: Does this package contain anything liquid, ƒragile, perishable, potentially hazardous, perƒume and
lithium battery?
5. G.I.S.T.: Greet, Inquire, Suggest, Thank

6. Ready Post: Supplies we sell at Post Oƒlce Lobby

7. Engaging Our Customer: Greet customer
Ask the HAZMAT
Otter Express Mail

Otter Insurance and Delivery Conƒirmation
Otter additional products to purchase
Provide receipt
8. Express Mail & Priority Mail: Money making products and Premier Shipping

9. Express Mail: 1-2 Days Guaranteed Delivery

$100 Insurance Coverage
Iƒ it ƒits it ships.
10. Priority Mail: 2-3 Days Guaranteed Delivery

$50 Insurance Coverage
1/
15

, 70 lbs. max and 108 inches max combined length and girth

11. Parcel Select: 70 lbs. max and 130 inches max combined length and girth
Ground Delivery (Bulk)
Designed ƒor Large and Medium Mailers

12. Processing Categories:: Letter
Ƒlats
Machinable Parcel
Irregular Parcel
Outside Parcel
13. Letter Size: Rectangular

3 1/2 inches in height 5
inches in length




2/
15