Shipping Information

U.S. Postal Service

We work in cooperation with the USPS, and offer their services as a complement to the FedEx shipping options.

First class, Priority, Express, International, Media Mail, Certified Mail, Delivery Notification.

*see USPS Package Tracking and "Useful Guides" sections to track your shipments and view useful, extended information on shipping.


Express Mail® - Overnight delivery to most U.S. addresses.

Express Mail Flat Rate™ Envelope - Overnight delivery to most U.S. addresses for one Flat Rate.

Two-Three Day Delivery

Priority Mail® - Affordable shipping for documents and packages.

Priority Mail Flate Rate™ - Boxes and Envelopes – Affordable shipping for documents & packages at a Flat Rate.

Two – Three Day Delivery

First Class Mail® - The best value for envelopes and small packages.

Three – Eight Day Delivery

Parcel Post® - Economical ground service is perfect when your delivery isn’t urgent.

Two – Six Week Delivery

Media Mail® - Cost-effective way to send books & media. Some restrictions apply.

Useful Guides from

Please use these guides provided by to get started on your mailing and shipping needs. These guides are high-quality PDF’s so please be patient when downloading the files. Be sure to check out the Activity Book for kids and feel free to send the link to your family and friends.

As always, if you have any questions about AIMS Pack and Ship Store USPS shipping options, please contact us by phone or through our website contact form.

Covers addressing standards, business standards, unusual standards

Covers requirement for reusing boxes previously used for shipping

Covers requirements, Options and Insurance thresholds

Covers requirements, options, international requirements

Covers Express Mail®, Priority Mail®, First-Class Mail®, Parcel Post®, Media Mail™

Includes coloring pages, word race, America’s Wonders and more. If you have children this Activity Book has many things to keep them busy!

AIMS™ Pack & Ship | USPS Shipping Services
Tracking Tools

Tracking Your Package

USPS Pickup Times: Monday through Friday 3:00pm.