GPS coordinates can typically track within 10 meters of a location. The scans performed by MDDs are submitted to the USPS Regional Intelligent Mail Server (RIMS) network. The devices they used prior to this didn’t include GPS. In 2013, USPS began rolling out MDDs, which are Mobile Delivery Devices that capture GPS locations along the postal carrier’s route, as well as the delivery GPS location when a tracking barcode is scanned as “Delivered”. This information was used both as a means of measuring postal service efficiency and providing customers with a means of tracking their packages. IMDs (Intelligent Mail Devices) scanned tracking barcodes. In 2002, the USPS implemented the Managed Service Points (MSP) program to scan barcodes at the delivery unit (your local post office) and on specific points along your postal carrier’s line of travel, including Stop The Clock (STC) scans, which are when a package is delivered (or when delivery is attempted).
Usps package delivery status not updated manual#
Manual Scans Track The “Final Mile” Deliveries Once the package finally reaches your local post office most of the remaining scans are done by handheld Mobile Delivery Devices (MDDs). The exception to this is if a third party, a Shipping Partner, provides scan information while the package is in their system prior to them delivering it to a USPS facility.
Automated Processing Equipment Takes Care Of The Initial Trackingīefore your package reaches your local post office, all the tracking scan events are created by USPS automated processing and sorting equipment.
The barcode on the shipping label is scanned to track the package as it moves through the USPS system and up to the final delivery (or attempted delivery). Tracking numbers are automatically assigned when a shipping label is created.
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