Frequently Asked Questions

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Starting Size Finished Size Minimum Paper Weight # of Tabs At The Top Special Note
4.25 x 5.5 4.25 x 5.5 67# Cover
8.5 x 11 3.65 x 8.5 70# Text 2 Letter
8.5 x 14 3.65 x 8.5 70# Text 2 Letter
11 x 17 5.5 x 8.5 60# Text 2 Right Angle Newsletter

Rules and Restrictions for Direct Mail

A mailpiece can weigh up to 3.3 ounces and still go at the letter rate.

U.S. Postal Service: Paper Stock Dimensions, Shape, and Caliper Standards for Automation Letters Each letter-size piece must be rectangular and: 

 1. For HEIGHT, no more than 6¹⁄₈ or less than 3½ inches high. 

 2. For LENGTH, no more than 11½ or less than 5 inches long. 

 3. For THICKNESS, no more than 0.25, or less than… 

 a. 0.007 inch thick if no more than 4¼ inches high and 6 inches long; or 

 b. 0.009 inch thick if more than 4¼ inches high or 6 inches long, or both.


Requires a minimum of 200 pieces or 50 lbs per mailing.

Cannot be used for sending personal correspondence, bills, statements of account, handwritten letters, or typewritten letters.


Nonprofit Standard Mail

Eligibility is based on the organization and the content of the mail.

Authorized organizations include:

Agricultural, Educational, Fraternal, Labor, Philanthropic, Religious, Scientific, Veterans, Voter Registration Officials, National and State Political Parties

Nonprofit prices are not permitted to mail:

     Promotional material for credit cards.

     Promotional material for commercially available insurance and travel arrangements is restricted.

     Mail that isn’t connected to the business of the authorized nonprofit.