First Class Package


USPS merged First Class Package into the new Ground Advantage name on July 9th, 2023

As of July 9th 2023, USPS has merged First Class Package with Parcel Select Ground into the new Ground Advantage service. The way the service works remain the same, so it's really just the name that has changed.

The content on this page is outdated as of July 9th, 2023, and is just for historical information.

To see the up-to-date rates, go to the Ground Advantage page.


Max Length: 22" inches

Max Width: 18" inches

Max Height: 15" inches

Max Weight: 15.999 ounces

USPS First Class Package Commercial Pricing rates

USPS only offers two pricing levels for First Class Package Service: Retail Pricing and Commercial Pricing. Pirate Ship passes through the deepest discounts available for every USPS service, so for First Class Package Service you’ll receive Commercial Pricing with absolutely no markup, label fees, or monthly costs, which can save you up to 41% off retail prices.

The maximum dimensions for First Class Package are 22" inches long, 18" inches wide, and 15" inches thick. The maximum weight is 15.999 ounces.

If your package weighs a fraction of an ounce, round up to the next whole ounce (except for weights over 15 ounces but under 16 ounces, in which case you should be exact).

First Class Package also ships to territories and military addresses

First Class Package can be used to ship to any residential address, commercial address, or PO Box in the United States of America and all of its associated states and territories, including Alaska, Hawaii, Puerto Rico, and the US Virgin Islands.

You can also ship to military addresses (such as APO/DPO/FPO) with First Class Package.

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