“Handed over to delivery partner / Arrival at destination”Normalized: in_transit (In transit)4PX (4px)USPS (usps)

4PX 'Handed over to delivery partner / Arrival at destination' Meaning.

4PX (`4PX…CN`) has completed international air transport and import customs clearance and transferred the parcel to the domestic last-mile delivery partner.

Try a live tracking number:

What is happening in the supply chain

Once 4PX's destination gateway warehouse processes the inbound pallet, it hands the parcel to USPS, Royal Mail, Australia Post, or a regional courier under a secondary domestic tracking number.

Handoff guide: /handoff/4px-to-usps →92… USPS Awaiting Item Checker →
Verbatim carrier scan
“Handed over to delivery partner / Arrival at destination”
Normalized API status
in_transit
Typical time to delivery
2–5 business days
Recommended recipient action
Run a live lookup on your 4PX number above to see which local carrier received your package.
Developer / WISMO action
Use the secondary tracking number surfaced in message to query the final-mile carrier directly.

How lastscanned normalizes this scan

Instead of maintaining brittle regexes for every carrier's raw scan phrasing across 200 carriers, query GET /v1/track/{number} or connect https://mcp.lastscanned.com.

Get an API key4PX API docs

Synchronous GET request

curl "https://api.lastscanned.com/v1/track/4PX3001234567890CN" \
  -H "Authorization: Bearer lsk_live_YOUR_API_KEY"

Normalized JSON response

{
  "carrier": "4px",
  "trackingNumber": "4PX3001234567890CN",
  "status": "in_transit",
  "statusDescription": "Handed over to delivery partner / Arrival at destination",
  "message": "Handed to USPS as 9261290302951157303009",
  "events": [
    {
      "timestamp": "2026-10-26T14:22:00Z",
      "localTime": "2026-10-26T10:22:00",
      "status": "in_transit",
      "description": "Handed over to delivery partner / Arrival at destination",
      "location": "CHICAGO, IL"
    }
  ]
}

Frequently asked questions

Who is 4PX's delivery partner in the US?
Most commonly USPS (often via a 92… Parcel Select / Ground Advantage label), or regional couriers like UniUni, SpeedX, and GOFO in major metro areas.
How long after 'Handed over to delivery partner' will my 4PX package arrive?
Typically 2 to 5 business days once the local carrier inducts the parcel.

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