skip to Main Content

Postal Rates and Specifications

Assistance Plus receives many of the following questions on a regular basis. Below are a few documents to view or download to help you with planning your mailing. Please note that due to changes with the post office and mailing regulations that are beyond our control, please contact us prior to the design of your mailing piece. If you need assistance, please call us at 707.864.6336.

  Post Card Dimensions

Letter Dimensions

Flat Dimensions

Download the Tabbing Guidelines

     Tabbing Guidelines for Web

Download the NCOA Form

     NCOA Form

Download the Non Profit Form

     USPS Non Profit Form ps3624

Download Permit Imprint Information

    Permit Information

Back To Top