USPS 421 Window Clerk Study Guide Exam Questions and Correct Answers (Verified by Expert)

GIST - answer-Greeting Customers, Inquiring their needs, Suggesting options best to the customers' needs and Thanking them for coming to the US Postal Service Processing Categories - answer-Letters, Flats, Machinable Parcels, Irregular Parcels, and Outside Parcels. Letter-Size Mail - answer-Rectangular, Between 3.5" to 6 1/8" high, 5" to 11.5" long and .007" to .25" thick. Max weight 3.5 oz Postcards - answer-Rectangular, between 3.5" to 4.25" high, 5" to 6" long and .007 to .016 thickness Flat-Size Mail - answer-Flexible, Uniformly thick, Rectangular, Minimum: 6 1/8" high OR more than 11.5" long, OR more than 1/4" thick. Maximum 12" high, 15" long and 3/4" thick. One of the minimum flat-size dimensions MUST exceed maximum letter-size dimensions. Machinable Parcels - answer-Must weigh at least 6 ounces but no more than 25 pounds. High density parcels maximum weight is 15 pounds.(exception for lightweight parcels) Irregular Parcels - answer-Must have any one of the following characteristics: Less than 6" in length, or less than 3" in height, or less than 6 ounces. Rolls and tubes 26" long or less. Unwrapped, paper-wrapped, or sleeve-wrapped articles that are not letter size. And articles enclosed in envelopes that are not letters, flats or machinable parcels. Outside Parcels - answer-Length more than 27", or height than 17", or thickness more than 17". Weight more than 25 pounds or 15 pounds if identified as high density. Rolls and tubes longer than 26".