Now, according to the USPS website, you can join the beta program and try early versions of the new standalone app by ...

Your USPS tracking number looks like 9400 1000 0000 ... Select to verify your identity online or send a verification code to your mailbox. USPS offers multiple services based on your requirements.

The US Postal Service (USPS) is testing out a new Android app that brings the carrier’s “Informed Delivery” service ...

according to USPS. What will change is certain postage like marketing materials, media mail, periodicals and other packages that may arrive faster. For precise tracking, customers can now use the ...