New USPS Forever Stamps Contain a QR Code

Where to put barcode on postcard: 3 postcard barcode positions

How do I use these stamps we printed at the post office? The QR code on the forever stamp printed kind of faint and the additional oz stamp says fold here?

How USPS is simplifying returns with easy scannable QR codes

Intelligent Mail barcode - Wikipedia

Where to put barcode on postcard: 3 postcard barcode positions

Royal Mail adds scan codes to stamps offering digital extras, Royal Mail

QR Code Rubber Stamp - Personalized QR Code Stamp : Office Products

Beware of fake postage stamps being sold online

Question on kiosk printed stamps - do I tear along the 'fold here' line to use? : r/USPS

USPS Certified Mail Costs & Rates Updated for 2024 - PostGrid