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www.reference.com/article/usps-1e2c938d441fe53f

The acronym "USPS" refers to the United States Postal Service. It has been in existence since July 26, 1775, when the Second Continental Congress created it. Benjamin Franklin was the first Postmaster General of the United States.

www.reference.com/article/usps-stand-89a56c1fa79cba1b

USPS is an acronym for the United States Postal Service. Other names include the Post Office, U.S. Mail or the Postal Service. The USPS is an independent agency that is held responsible for delivering postal service.

www.reference.com/article/usps-tracking-number-55c8faf09d8a5f7f

A USPS tracking number is a series of numerals allocated to individual parcels by the United States Postal Service to keep a record of where parcels are once they are shipped. A USPS tracking number consists of 22 numerals.

www.reference.com/article/usp-797-f13cb7916e592292

USP 797 is a comprehensive set of standards, guidelines, procedures and compliance requirements for sterile compounding preparations and procedures, explains EmLab. It aims to reduce the number of transmitted infections because of improperly compounded pharmaceuticals, ...

www.reference.com/article/usps-media-mail-b9da28eb0b9f55d1

USPS Media Mail is a shipping service offered by the United States Postal Service used to send educational materials at a lower cost than other shipping methods. Media Mail materials can include books, CDs or movies that have an educational purpose.

www.reference.com/article/sizes-usps-envelopes-43d5b6769174f667

The U.S. Postal Service sells envelopes in sizes ranging from 5-by-10 inches all the way up to 11 5/8-by-15 1/8 inches. Most of their envelopes are dedicated to Priority Mail for items needing urgent delivery. The Postal Service also sells shipping boxes for larger item...

www.reference.com/article/usps-employment-tests-1cd50ad41bd6ff9e

The United States Postal Service requires applicants for many of its positions to pass employment aptitude exams to qualify. These positions include rural and city carrier, mail processor and mail handler. None of these exams test subjects for factual knowledge, accordi...