Sequence Number (MMS/MMI Number): an 18-digit number assigned internally by UPS Mail Innovations or UPS Worldship Postal Service when Delivery Confirmation is requested United States Postal Service Delivery Confirmation Number: a 22-34 numerical identifier assigned by the U.S. UPS Mail Innovations tracking numbers appear in the following formats:
UPS Mail Innovations tracking numbers differ from a small package reference number in length and terminology. You can track your UPS Mail Innovations piece on both ups.com and. UPS Service Notice: A notice given on first delivery attempt in select countries UPS Delivery Notice: A bar-coded notice, which includes a 12-digit reference number, given on first delivery attempt in select countries PRO Number: Used for surface freight movement House Bill of Lading: Used for ocean freight movement House Air Waybill: Used for air freight movement UPS will also track the following types of tracking numbers, which contain from seven to 20 characters:ĭelivery Order/Sub-PRO Number: Less-Than-Truckload (LTL)/and Truckload (TL) child shipment tracking numbers UPS tracking numbers appear in the following formats: