Pirate Ship

Learn why you might see existing tracking data for a different package when you enter your tracking number on the USPS website

Why does my USPS label have an old tracking number?

Now you can save even more with Priority Mail at deeper discounts than the published Commercial Pricing rates

Pirate Ship now offers Priority Mail rates BELOW Commercial Pricing!

Understanding USPS® "non-standard" fees that some packages may be subject to

USPS Nonstandard Fees

Learn more about the changes USPS is making on July 9th, 2023

USPS July 2023 Changes: New Rates & First Class Package and Parcel Select merge into Ground Advantage

USPS is changing rates for Media Mail and Signature Confirmation service on August 29th, 2021

USPS Rate Change August 2021

Understanding USPS and UPS surcharges for large but lightweight shipments

What is Dimensional (DIM) Weight pricing?

A quick guide on size & weight restrictions for shipping with USPS

Maximum size and weight limits for USPS® services

Here's some items that are illegal to ship with the Postal Service

USPS: Prohibited Items

Cheapest way to ship posters

Priority Mail that does not qualify for Priority Mail Cubic, and is sometimes cheaper!

What is Weight-based  Priority Mail?

Some USPS and UPS packages can be intercepted and returned to you before they're delivered

How to intercept or return a package

All USPS® and UPS® shipping services on Pirate Ship come with free tracking included

Do USPS® and UPS® services come with tracking numbers?

The USPS® Electronic Delivery Confirmation program (E-DELCON) provides full package tracking to certain countries.

List of countries with USPS® E-DELCON International Tracking

Learn how USPS confirms that the correct amount of postage has been purchased, and adjusts your account for any differences.

What is the USPS APV Automated Package Verification System?

USPS Cubic Softpack is a cheap & fast way to ship envelopes

Can I use Priority Mail Cubic with a softpack or padded envelope?

The Priority Mail Medium Flat Rate Box and Large Flat Rate Box are up to 56% more expensive than using your own box

Why you shouldn't use Medium or Large Flat Rate Boxes

Using a USPS Regional Rate box is up to $1.35 more expensive than using your own similarly sized packaging

Why you shouldn't use Priority Mail Regional Rate

USPS offers 6 free "mailing boxes" that you can use with weight-based Priority Mail or Priority Mail Cubic

Free USPS Mailing Boxes for Priority Mail Cubic

Learn why Pirate Ship doesn't sell USPS® First Class Mail International Flats or other mailing services

Does Pirate Ship offer stamps or postage for mailing letters or flats?

Here's some simple rules of thumb on which shipping services to use to save you the most money.

The cheapest ways to ship with USPS®

Learn what qualifies for Media Mail® and how to access it

How do you use the USPS Media Mail® shipping service?

Learn about Priority Mail flat rate postage

Do I need to use a Priority Mail® box if I buy a Priority Mail® label?

Learn about this "secret" dimension-based USPS shipping service

What is Priority Mail Cubic?

Learn about the shipping services and rates that USPS® offers.

USPS® Shipping Services

Go back to Pirate Ship

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