USPS changes this past Jan, dropped Standard (Parcel) for Zones 1-4 (those zones closest to the shipper’s location) since the prices are the same as priority. Parcel is now only offered for zones 5-9…as for regional rates…as of now they can only be purchased through USPS and have never been offered here as I believe, they are not included in the callback from the Post office

You will have to ask support if the USPS API callback will ever offer these options to market places…

Yes, and unfortunately here at Bonanza even though there is still the option to MAIL Standard Post for those other zones (5-9) there is no way to add it here on Bonanza, they took that option out altogether. I’ve found that my old listings that were already set and were set as default (that was the way it came out with Bonanza) are still showing that cost when item is purchased. So I am going through listings and just changing everything to Priority (it’s what the USPS wants ultimately anyway).

As far as Regional, you can still use the boxes and you can print those labels through PayPal, it’s just not given as an option for the buyer to choose.