*USPS 1st Class Rectangular Parcel is trackable
USPS 1st Class Letter, Card or Flat is NOT trackable

You need to specify Delivery Confirmation(on the drop-down on the ship page) when shipping to be able to track packages. 

If you are sending via USPS 1st class, package type; card, letter or flat, while on Confirmation, you have Delivery Confirmation selected, you will get an error and will not be able to ship that package. 


This Information is from USPS.com


Numbers 1-8 applies to specific rules and guidelines for the USPS services below. 


1 Some restrictions apply. (Please visit USPS.com for more information)

2 For details on Free Package Pickup, go to usps.com/pickup.


*(If you are planning to use UPS and/or FedEx, you can now arrange for pickups simply by logging into your Ordercup account and click on the Pickups tab.)


3 Up to 70 lbs.

4 Average number of days may vary for many major markets.
5 For many major markets. Average number of days may vary based upon origin and destination.
6 Not available for Priority Mail International Flat Rate Envelopes or Priority Mail International Small Flat Rate Priced Boxes.
7 Up to 20 lbs in the Priority Mail International Medium and Large Flat Rate Boxes and up to 4 lbs in Priority Mail Flat Rate Envelope and Small Flat Rate Priced Box.
8 Timelines of service to and from destinations outside the contiguous U.S. may be affected by the limited availability of transportation.



Domestic Shipping & Mailing Services


SERVICEDELIVERY TIME
Picture of Express Mail Box
Express Mail® ›

Overnight delivery to most U.S. addresses or your money back.

Send It Fast
Ship It Online
Features
  • Money-back guarantee1
  • Includes $100 in insurance
  • May qualify for Free Package Pickup2 at your door
  • USPS Tracking™ at no additional cost when you ship online and at retail
Overnight

to most locations


Picture of Express Mail Flat Rate Envelope
Express Mail Flat Rate™ ›

Overnight delivery to most U.S. addresses, all for one Flat Rate.

No Weighing3
Ship It Online
Features
  • Money-back guarantee1
  • Includes $100 in insurance and online tracking
  • May qualify for Free Package Pickup2 at your door
  • USPS Tracking at no additional cost when you ship online and at retail
Overnight

to most locations


Picture of Priority Mail Boxes
Priority Mail® ›

Fast and affordable shipping for documents and packages.

Ship it online
Free Package Pickup2
Features
  • USPS Tracking at no additional cost when you ship online and at retail
  • Saturday delivery and residential delivery at no extra cost
  • May qualify for Free Package Pickup2 at your door
2-3 day delivery


Picture of Priority Mail Flat Rate Box and Envelope
Priority Mail Flat Rate® ›

Fast and affordable shipping for documents and packages at one low, Flat Rate.

No Weighing3
Ship It Online
Features
  • USPS Tracking at no additional cost when you ship online and at retail
  • Saturday delivery and residential delivery at no extra cost
  • May qualify for Free Package Pickup2 at your door
2-3 day delivery


Picture of Priority Mail Boxes
Prepaid Forever® Priority Mail Flat Rate ›

Fast and affordable shipping for documents and packages at one low, Flat Rate and Forever® pricing.

No Weighing3
Ship It Online
Features
  • Saturday delivery and residential delivery at no extra cost
  • May qualify for Free Package Pickup2 at your door
2-3 day delivery


Picture of First Class Mail
First-Class Mail® ›

The best value for envelopes and small packages.

Features
  • Our most affordable service for mail up to 13 oz
  • Can use USPS Tracking to confirm delivery of packages
2-3 day delivery

Picture of Standard Post Box
Standard Post™ ›

This economical ground service is perfect when your delivery isn’t urgent, or your package is oversized.

Features
  • An economical way to send packages
  • Accommodates larger packages, up to 130” in combined length and girth
  • A retail-only product that includes USPS Tracking
2-8 day delivery8


Picture of Software packaging and CD entitled 'Educational Media'
Media Mail® ›

A cost-effective way to send books and other educational media. Some restrictions apply.

2-8 day delivery