USPS Services : Customer Support Portal

*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

SERVICE	DELIVERY TIME
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
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
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
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
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
Priority Mail Regional Rate® › Combine the speed and convenience of Priority Mail shipping with zone pricing to reduce costs. Features Free Package Pickup2 USPS Tracking at no additional cost when you ship online and at retail Saturday delivery and residential delivery at no extra costs Zone pricing keeps costs low	2-3 day delivery
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
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
Media Mail® › A cost-effective way to send books and other educational media. Some restrictions apply.	2-8 day delivery