Korea Post is the Republic of Korea's national postal service, providing letter, registered-mail and parcel services through its post offices and delivery network across South Korea. It serves households, businesses and online shoppers with domestic postal and package services while providing official Tracking tools for eligible registered items.
For parcels within South Korea, Korea Post offers registered parcel services accepted at post-office counters as well as pickup services in which a postal employee collects an eligible parcel from the customer's requested location. Registered parcels receive a recorded reference that can be used for package tracking as the shipment moves through the postal network.
Korea Post also offers ordinary parcel service for customers who do not require registered handling. The carrier specifically distinguishes ordinary parcels from registered parcels: ordinary parcels are not handled as recorded items and therefore do not provide the same Tracking and compensation features. Customers who need to Track a shipment should check that the sender used a trackable registered service.
From South Korea, Korea Post also accepts international services including EMS, international parcels and K-Packet. These services should not be interpreted as Korea Post operating its own delivery network in foreign countries. International items leave Korea Post's home network and are handled with postal or logistics partners in the destination country, with the amount of tracking information depending on the service and partner.
How to Track Korea Post packages
To Track a Korea Post shipment with 4Tracking, enter the tracking number supplied by Korea Post, the sender or the online store into the tracking field and start the search. 4Tracking is a universal package tracking website, so it can help you follow Korea Post shipment events without repeatedly navigating between separate carrier tracking pages.
For a domestic registered parcel, Tracking can show events recorded while the item is accepted, transferred between postal facilities, prepared for delivery and delivered. The availability and detail of individual scans depend on the service and the events transmitted for that particular shipment.
You can also use the official Korea Post ePost website to check a shipment. Korea Post's domestic tracking service accepts registered-mail and parcel references, while its EMS tracking service is provided separately for international EMS and other supported international postal items.
Korea Post tracking number formats
Korea Post's official domestic delivery-tracking page specifies a 13-digit registered number for domestic registered mail and parcel tracking. Because the official page defines the length rather than publishing a complete catalogue of every prefix or number range, it is safest to use the exact 13-digit reference printed on the sender's receipt, label or dispatch information rather than trying to reconstruct a number from an assumed prefix.
For EMS, the official Korea Post tracking pages require a 13-character EMS number. Official examples include EE123587889KR, UP700004426KR and EM900067280KR. These examples follow a structure of two letters, nine digits and the ending KR. The first two letters can vary, so an EMS number should be entered exactly as issued rather than changing its prefix.
Do not assume that every Korea Post shipment uses the EMS letter-and-number structure. Domestic registered parcels use the 13-digit domestic reference described above, while EMS uses the 13-character international format. Ordinary domestic parcels that are not handled as registered items do not provide the same recorded package tracking service.
Korea Post delivery times
Korea Post publishes different delivery standards according to the parcel service and route. These targets can be affected by the acceptance time, holidays, unusually high parcel volumes, severe weather, islands and other locations where transportation takes longer. For that reason, the Tracking history for the individual shipment should be used together with the normal delivery standard.
Domestic registered parcels
Korea Post currently lists next-day delivery, or D+1, for standard counter-accepted registered parcels. For example, if an eligible registered parcel is accepted on Monday and no holiday or route exception applies, the published D+1 schedule corresponds to delivery on Tuesday. Actual timing can vary when an item is accepted after the relevant processing cutoff or when the destination requires additional transportation time.
Domestic pickup parcels
For parcels collected through Korea Post's pickup service, the published standard is also generally next-day delivery. Korea Post notes that the timing is based on when the postal employee actually collects the parcel, and the delivery period can be extended by a day depending on the pickup time. Remote islands and difficult-to-reach areas can require additional time.
Ordinary domestic parcels
Korea Post lists ordinary counter-accepted parcels with a D+3 delivery standard. As a simple calendar example, a parcel accepted on Monday under normal conditions would have a D+3 target corresponding to Thursday. Korea Post also notes that prolonged extreme heat, heavy rain and similar abnormal weather can result in delivery within D+4 instead.
Parcels between Jeju and the mainland
Jeju has separate delivery conditions. Korea Post lists D+2 delivery between Jeju and the mainland for the applicable parcel service. A next-day option is listed for parcels traveling from Jeju to the mainland, but availability depends on the acceptance cutoff at the post office. Parcels traveling from the mainland to Jeju use the D+2 standard shown by Korea Post.
Outbound EMS delivery times
For EMS accepted in South Korea and handed to postal partners abroad, Korea Post publishes reference transit times that vary by destination region. For example, its official guidance lists approximately 2–3 days for the Far East and Southeast Asia, 3–4 days for North America and the Pacific region, and 3–5 days for Europe. These are reference transit times rather than proof that Korea Post operates its own delivery network in those countries. Korea Post states that actual delivery can be shorter or longer, and periods outside normal transportation processing can extend the total time.
How to contact Korea Post about shipment issues
If your Korea Post package tracking has stopped updating or an expected parcel has not arrived, first verify the tracking number against the receipt, shipping label or dispatch message. Recipients who received the reference from an online store or another sender should also ask the sender to confirm that the correct Korea Post service and tracking number were provided.
Korea Post lists its Postal Customer Call Center at 1588-1300. The official ePost service currently lists consultation hours as 09:00 to 18:00 on weekdays, with the service closed on Saturdays and public holidays. Korea Post's international information pages also list (+82) 1588-1300 for inquiries from outside South Korea.
Customers can also contact Korea Post by email at help@posa.or.kr or ask for assistance at a Korea Post office. For international registered mail, parcels and EMS, Korea Post provides a formal investigation process when the whereabouts of an eligible item need to be checked. The official rules state that investigation requests generally need to be filed within six months for eligible international mail and within four months for EMS, so unresolved international shipment issues should not be left indefinitely.
Frequently asked questions about Korea Post package tracking issues
Why is my Korea Post tracking number not working?
Check the reference carefully against the original receipt, label or dispatch message. Domestic registered Tracking expects a 13-digit registered number, while EMS uses a 13-character number such as EE123587889KR. Using an EMS number in the wrong tracking service, omitting characters or entering an ordinary non-registered parcel reference can prevent a result from appearing.
Why has my Korea Post Tracking not updated?
A shipment may travel between postal facilities without a new public tracking event appearing immediately. Check again after the next processing or delivery scan. If the published delivery period has already passed by a significant amount, verify the number with the sender and contact Korea Post for assistance.
Can I Track an ordinary Korea Post parcel?
Korea Post states that ordinary domestic parcels are not handled as registered or recorded items. They therefore do not provide the same end-to-end package tracking available for registered parcels. If Tracking is important, the sender should use an eligible registered or trackable service.
How long does a Korea Post domestic package normally take?
Standard registered parcels and pickup parcels are generally listed for next-day delivery, while ordinary parcels are listed at D+3. Jeju and certain island or remote routes have different standards, and acceptance cutoffs, holidays, weather and unusually high parcel volumes can add time.
Does D+1 mean my Korea Post package is guaranteed to arrive the next day?
D+1 is Korea Post's published delivery standard for the applicable domestic registered parcel services, but the carrier also identifies circumstances that can extend delivery. Pickup time, remote destinations, holidays, heavy seasonal volumes and transportation conditions can affect the actual arrival date, so Tracking should be checked for the latest shipment-specific progress.
Why does my EMS tracking number end in KR?
Korea Post's official EMS examples use 13-character identifiers ending in KR, such as EE123587889KR. The two characters at the beginning can vary according to the postal item, so always copy the complete number exactly as provided.
What should I do if my Korea Post package is shown as delivered but I cannot find it?
Confirm the delivery address and check whether someone else at the destination received the parcel. If the item still cannot be located, keep the tracking number available and contact the sender and Korea Post Customer Call Center at 1588-1300 or visit the relevant post office so the recorded delivery information can be reviewed.
Can Korea Post investigate a missing international EMS package?
Yes. Korea Post allows investigation inquiries for eligible international registered mail, parcel mail, recorded mail and EMS. Either the sender or addressee can request an investigation, subject to the applicable filing period. Korea Post states that EMS inquiries should generally be filed within four months from the day after dispatch.
Where should I Track a Korea Post package?
You can enter the shipment number on 4Tracking to follow Korea Post package tracking from one universal tracking page. You can also use Korea Post's official ePost Tracking service when you want to check the carrier's own recorded shipment events directly.
Monthly Delivery Performance for Korea Post – August 2026
Our comprehensive monthly delivery report for Korea Post in August 2026 is based exclusively on shipments confirmed as delivered, detailing the fastest, average, and slowest transit times from origin to destination. Shipments still in transit are excluded to ensure accurate and reliable insights.
| From | To | Delivery Time |
|---|---|---|
 KORSouth Korea | KOR South Korea |
|
 JPNJapan | KOR South Korea |
|
 CHNChina | KOR South Korea |
|
 IDNIndonesia | KOR South Korea |
|
| KOR South Korea | CHN China |
|
| KOR South Korea |  THAThailand |
|
| KOR South Korea | JPN Japan |
|
 INDIndia | KOR South Korea |
|
| THA Thailand | KOR South Korea |
|
| KOR South Korea |  RUSRussia |
|
| KOR South Korea |  BRABrazil |
|
| KOR South Korea |  UnknownUnknown |
|
| KOR South Korea |  VNMVietnam |
|
 DEUGermany | KOR South Korea |
|
 USAUnited States | KOR South Korea |
|