Tracking Help
Tracking Number Not Found: 6 Reasons and Fixes
Published · 7 min read
A “Tracking number not found” error almost always means one thing: the shipping label was created but the parcel has not yet been physically scanned into the carrier's system. Give it 24–48 hours and it usually starts working on its own. The other five causes — wrong number, wrong carrier, marketplace-only IDs, expired records, or a genuine typo — are quick to diagnose once you know what to look for.
Reason 1 — The label was created but not yet scanned
When a seller prints a shipping label they generate a tracking number instantly, but the carrier's system only “knows” about that number after the first physical scan (pickup or facility acceptance). Between those two moments — which can last from a few hours to a few business days, especially with drop-shipping and China-based sellers — every lookup returns “not found.” The fix is patience: wait 24 hours for domestic labels and 48–72 hours for international ones before doing anything else.
Reason 2 — You entered the wrong number
Order numbers, invoice numbers, and reference IDs get confused with tracking numbers all the time. A real tracking number is usually 10–22 characters, mostly digits (sometimes with a two-letter prefix and country suffix like “LZ” or “CN”). If the number you have is much shorter, contains dashes, or starts with letters like “ORD” or “INV,” it's almost certainly an order number, not a tracking number. Ask the seller for the actual carrier tracking ID.
Reason 3 — It's a marketplace-only tracking ID
Shein, Temu, and AliExpress often show internal tracking IDs that only work on the marketplace's own site. Copying that ID into a general tracker or a carrier's site returns “not found” because the number is not registered with a real carrier until the parcel reaches the destination country. ParcelsPulse can still detect many of these once the destination carrier picks up the parcel, so retry after a few days.
Try your tracking number here
Paste the exact number below — no spaces, no dashes. ParcelsPulse auto-detects the carrier from over 900 supported networks, so if the number is valid and has been scanned at least once, you'll see the live timeline.
Reason 4 — Wrong carrier detection
Some numbers are ambiguous — for example, a 12-digit number could be USPS, FedEx SmartPost, or a domestic Chinese carrier. If a specific tracker guesses the wrong carrier it will return “not found” even though the number is valid. Universal trackers like ParcelsPulse solve this by querying multiple carriers, so it's worth trying here even if your carrier's own site fails.
Reason 5 — The record expired
Carriers keep tracking data online for a limited time: USPS 120 days, UPS 120 days, FedEx 90 days, DHL up to 12 months. Once that window closes the number returns “not found” permanently. If your shipment was delivered more than three months ago, this is likely the reason — there is nothing more to recover.
Reason 6 — A simple typo
Zero and the letter O, one and the letter I, five and the letter S — these are the four most common transcription errors in tracking numbers. Copy-paste the number directly from the seller's email rather than typing it, and remove any surrounding spaces. Then try again.