USPS First Class Package Service

What is First Class Package Service?

USPS First Class Package Service is a fast, cost-effective way to ship lightweight packages weighing up to 13 ounces to any U.S. destination. For lightweight packages, First Class Package Service offers greater cost savings compared to Priority Mail and Standard Post (formerly known as Parcel Post). The 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 ounces and includes one flat rate for the first three ounces. 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 $5,000.

Try us out for 4 weeks! Get $5 in free postage

(to use during your trial).

Try us out for 4 weeks! Get $5 free postage

(to use during your trial)

Try us out for 4 weeks!

Get $5 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 13 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 22% 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 13 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.

Try Stamps.com for 4 weeks!

Every new customer account starts with:

  • Free 5 lb. Digital Scale*, connects via USB
  • 4-week trial
  • $5 in free postage to use in trial period
  • Free Supplies Kit including postage labels
  • Additional $10 postage coupons to use after trial
    *pay only S&H fee