USPS First Class Package Service

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What is First Class Package Service?

USPS First Class Package Service is a fast, cost-effective way to ship lightweight packages weighing up to 15.99 ounces to any U.S. destination. For lightweight packages, First Class Package Service offers greater cost savings compared to Priority Mail®. This mail class also offers fast, nationwide delivery in three days or less, closely matching the speed of Priority Mail®. Deliveries can be shipped to any U.S. address, PO Box, and many APO/FPO/DPO destinations. USPS Tracking® is included for free and the USPS offers several package pick-up programs.

Pricing for First Class Package Service is based on weight by ounces and shipping distance. There are no fuel surcharges for residential or rural deliveries, and you can add additional features to First Class Package Service such as Signature Confirmation™ and insurance coverage up to $10,000.

An approved licensed vendor of the USPS, Stamps.com allows you to buy and print mailing and shipping labels for all USPS mail classes using a standard ink-jet or laser printer. There is a monthly service fee of $19.99 plus applicable taxes, if any to use the service.
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Try us out for 4 weeks!

Get $5 in free postage to use during your trial.

When to Ship Packages with First Class Package Service

First Class Package Service is the lowest cost option provided by the USPS for small packages weighing 15.99 ounces or less. With fast delivery within 3 days, the mail class is one of the most popular methods to ship with the U.S. Postal Service and is commonly used to send time-sensitive material by the pharmaceutical and finance industries.

Benefits of Using First Class Package Service with Stamps.com

Stamps.com lets you print postage online using a computer and regular printer for all USPS mail classes, including First Class Package Service. Plus, Stamps.com customers receive a postage rate discount of up to 26% on First Class Package Service. Using the free* Stamps.com USB scale provided at sign-up, you can easily weigh your package to ensure it is less than 15.99 ounces. Also, USPS Tracking® is free when you print a First Class Package Service shipping label with Stamps.com.

*Shipping and handling fee required to receive scale.

Here's how it works...

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Open a Stamps.com account

Simply click the “Get Started”enter your promo code and click the “GO” button to sign up for Stamps.com and get access to all the services of the Post Office right from your computer 24/7. Even get discounts you can’t get at the Post Office!

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Try it out with $5 free postage

We’ll give you 4 weeks to see if Stamps.com is right for you. We’re so confident you’ll like Stamps.com, we’ll also throw in $5 free postage to use during those 4 weeks.

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Don’t pay unless you stay

Cancel your account online or call 1‑855‑608‑2677 to cancel within the 4‑week trial period and pay no service fee. The monthly fee is just $19.99 plus applicable taxes, if any, including the first month. Your service will continue uninterrupted as long as you do not cancel.

Free* 5 lb. Digital Scale with Sign-up

Every new customer account starts with:

  •  Free* 5 lb. Digital Scale with sign-up
  • 4-week trial
  • $5 in USPS postage to use in trial period
  • USPS rate discounts you can’t get at the Post Office
  • No long-term contracts, cancel anytime
  • Only $19.99 per month plus applicable taxes, if any, including the first month if you stay past the 4-week trial

*pay only S&H fee