The USPS site says they are discontinued. I have been using 100+ per
month...this stinks if it holds. The USPS "Newsroom" does say that the
prepaid Priority Mail Flat Rate envelopes are being discontinued, but
nothing on these.
I don't think I'd be so hasty; there are a lot of situations where that
happens for a variety of reasons. I've had tracking not show up for a
full day after the carrier picks things up from me. UPS pulls that stunt
all the time; their driver NEVER sc...