This service is available only at the time of mailing and is used to specify only the number of identical-weight pieces mailed; it does not provide evidence that a piece was mailed to a …

cepted where the permit was issued unless permitted by Payment for each mailing must be made when the mailing is presented at the Post Office. Mail must not be deposited in street …

In order to send out bulk mailings, you'll need a permit from the USPS. If you use Standard Bulk Mail, you may qualify for a non-profit rate from the USPS.

This form may be used only for a single nonautomation price mailing of identical-weight pieces. Use PS Form 3602-N for all other regular Nonprofit USPS Marketing Mail mailings. Checklists …

By signing this form, you state that all of the zip codes to which the pieces of your mailing are being sent are accurate and up-to-date. Bulk mail instructions (below). A sample of the pieces …

Each piece must be identical in message, size, and weight. Provide the exact count of the number of pieces in the mailing. Contents in the mailing should fit the correct size envelope. Bulk …

Please note: We are not able to do bulk mailings for other organizations, only libraries.