“อยู่ระหว่างการขนส่ง / In transit at sorting center (Thailand Post)”Normalized: in_transit (In transit)Thailand Post (ไปรษณีย์ไทย) (thailandpost)

What Thailand Post 'อยู่ระหว่างการขนส่ง' (In transit) means.

Your Thailand Post (ไปรษณีย์ไทย) EMS, Registered, or ePacket parcel is being sorted and transported through a regional mail center (ศูนย์ไปรษณีย์, such as Lak Si, EMS Center, or Ratchaburi) toward your destination post office.

Try a live tracking number:

What is happening in the supply chain

After acceptance (รับเข้าระบบ) at a Thai post office or clearance at the Bangkok Mail Center (ศป.หลักสี่ / ศป.สุวรรณภูมิ), parcels travel between Thailand Post's 19 regional mail sorting centers. At each hub arrival and dispatch, Thailand Post logs 'อยู่ระหว่างการขนส่ง' (In transit) until the parcel reaches the destination delivery post office.

92… USPS Awaiting Item Checker →
Verbatim carrier scan
“อยู่ระหว่างการขนส่ง / In transit at sorting center (Thailand Post)”
Normalized API status
in_transit
Typical time to delivery
1–3 business days
Recommended recipient action
Once the parcel reaches your local post office and logs 'อยู่ระหว่างการนำจ่าย' (Out for delivery), the Thailand Post officer will deliver it that day.
Developer / WISMO action
Call GET /v1/track/{number}?carrier=thailandpost to receive normalized status: 'in_transit'.

How lastscanned normalizes this scan

Instead of maintaining brittle regexes for every carrier's raw scan phrasing across 273 carriers, query GET /v1/track/{number} or connect https://mcp.lastscanned.com.

Get an API keyThailand Post (ไปรษณีย์ไทย) API docs

Synchronous GET request

curl "https://api.lastscanned.com/v1/track/EB123456789TH" \
  -H "Authorization: Bearer lsk_live_YOUR_API_KEY"

Normalized JSON response

{
  "carrier": "thailandpost",
  "trackingNumber": "EB123456789TH",
  "status": "in_transit",
  "statusDescription": "อยู่ระหว่างการขนส่ง / In transit at sorting center (Thailand Post)",
  "events": [
    {
      "timestamp": "2026-10-26T14:22:00Z",
      "localTime": "2026-10-26T10:22:00",
      "status": "in_transit",
      "description": "อยู่ระหว่างการขนส่ง / In transit at sorting center (Thailand Post)",
      "location": "LAK SI MAIL CENTER, TH"
    }
  ]
}

Frequently asked questions

How fast is Thailand Post EMS domestic delivery after 'อยู่ระหว่างการขนส่ง'?
Domestic EMS Thailand parcels typically deliver within 1 to 2 business days across Bangkok and major provinces.
What does 'ศป.สุวรรณภูมิ' or 'ศป.หลักสี่' mean on Thailand Post international tracking?
ศป.สุวรรณภูมิ (Suvarnabhumi Mail Center) and ศป.หลักสี่ (Lak Si Mail Center) are Thailand Post's international outward and inward offices of exchange in Bangkok.

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