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Library Mail

 

For your business.

Library Mail is a service for mailing items on loan from or mailed between academic institutions, public libraries, museums, and other qualified organizations in 2 to 8 days. Content is limited to books, sound recordings, academic theses, and certain other items. Advertising restrictions apply. Each piece must show in the address or return address the name of a school or nonprofit organization.

Still Have Questions?

Browse our FAQs ›

You can add the following options to Library Mail to…

Get delivery information.

Delivery Confirmation™ to see when it was delivered or delivery was attempted.

Signature Confirmation™ to see when it was delivered or delivery was attempted, and add security by requiring a signature.

Get proof of mailing.

Certificate of Mailing as a way of proving the date you sent it. This can only be used for Priority Mail Flat Rate® Envelopes and Small Boxes.

Get proof of delivery.

Return Receipt for Merchandise with proof that you mailed the contents to your customer and proof of delivery sent by email, fax, or postcard.

Get only authorized recipients to sign for the delivery.

Restricted Delivery to specify who is allowed to sign for the delivery.
See Postal Explorer® for more information ›

Get your customers to pay for merchandise.

Collect on Delivery (COD) Recipient pays for merchandise and shipping when they receive the package.

Send contents needing extra care.

Special Handling to get preferential handling.

Learn more about extra services ›

PackYour Shipment. Buy ReadyPost® supplies photo of ready post envelopes and boxBudget for Your Shipping Needs. Photo of a checkbook and pen. Calculate business prices >Calculate the Weight. Shop for scales. Photo of USPS branded post scale

For commercial pricing, mailers must meet certain quantity, sorting method, and entry point requirements. They must also have a mailing permit and pay an annual mailing fee for each mail service they use.