Ups Return Reference Number. It can be any combination of numbers and letters up to 35 characters. But there is no tracking number assigned to your specific return to track that return.

3242011 An RMA number tells the merchant that a return is being made and offers protection against fraudulent returns. Replacing the part of the URL that has the tracking numberrefence numberhowever you are referring to the packages. Is a tag left by a UPS driver after delivery has been attempted.
UPS Tracking page -----Where M2 is the po reference number Paris Meltzer Dec 26 17 at 1957 once you know how the URL is formed with a tracking number embedded you can use the HYPERLINK and form the URL with M2.
Found in your shipping confirmation email. 3162017 UPS does give you a receipt with a reference not tracking number and records your ATT account number so at least you have some proof it was given to UPS. Enter your reference number. Tracking numbers are of the form 1Z xxx xxx yy zzzz zzz c where xxx xxx is the alphanumeric account number of the shipper.