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August 19, 2021

Work Smarter, Not Harder with the 2021 Postage Guide Update - New postage rates effective August 29th 2021

2021 Postage Guide August Cover


Our most popular direct mail tool — the Streamworks Postage Guide — just got updated to reflect the newest rate changes.


New Postage Rates from the United States Postal Service® go into effect on August 29, 2021. There are a few changes you should be aware of. Here's a cheat sheet of the main changes (on average).


August to January Postage Comparison Grid


As you begin planning your direct mail campaigns for 2021, we hope you will find the new 2021 Streamworks Postage Rate Guide helpful and we look forward to working with you on your direct mail efforts this year.



• Popular commercial postage rates effective August 29, 2021

• Mailpiece layout guidelines

• Envelope size chart

• Tabbing & flat addressing requirements

• Move update options


Updated 2021 Postage Guide August 29


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