Time Certain Service

※ Notice : Some service suspension due to COVID-19

Service Overview
International Time Certain Service features strict control of delivery standard to guarantee the fastest delivery among international postal service.
Delivery results are automatically notified to the sender. In case of delayed delivery, postage charge paid by sender is returned in full.

Comparison between Time Certain Service and EMS

Comparison between International Time Certain Service and EMS
Criteria EMS
Standard EMS Kahala EMS(Guaranteed delivery service) Time Certain Service (Guaranteed delivery date)
Service country 101 countries (excluding Kahala EMS countries) U.S., Japan, China, Australia, Hong Kong, U.K., France, Spain, Thailand, Canada Hong Kong, Vietnam (Hanoi, Ho Chi Minh
Available contents Documents, merchandise, business samples, etc. Same as Standard EMS Documents (excluding items subject to customs inspection)Note.
Delivery standard 2-4 days 1-3 days (According to EMS Guarantee Calculator) Next day of mailing (2 days for other areas than Seoul)
Notice of dispatch Notification documents are delivered along with postal items to destination Office of Exchange Same as Standard EMS (Advanced notification will be made available through EDI network.) Notification through facsimile before items are delivered
Notice of delivery results On demand of the sender Same as Standard EMS (Expected delivery date is notified when mailing through EMS Guarantee Calculator system) Delivery results are provided even without sender request
Compensation for delayed delivery Postage price refund in case of over 48-hour delayed delivery Postage price refund in case of delayed delivery compared to expected delivery date calculated by EMS Guarantee Calculator system Postage price refund in case of delayed delivery compared to promised delivery date
  • Outbound items, when shipped on an airplane by the afternoon of the mailing date, are delivered to the destination country within the same day or by the next morning, and delivery attempts to the addressee are made on the next day or 2 days later from the mailing date.
  • Only for documents under 2 kg
  • Delivery standard: By the next day (2 p.m.) from the arrival at Incheon IPO (By 9 a.m. for Hong Kong)
    • Items shall be accepted from Monday to Thursday (not available for Friday, Saturday, Sunday, other holidays)
    • For Seoul, items shall be accepted by 3:30 p.m., and for other areas, items shall be arrived at Incheon IPO by 3:30 p.m. on the next day of postage.

International Time Certain Service

International Time Certain Service
Delivery Standard TOKYO : By 2:00 p.m. on the next day from dispatch,
OSAKA : By 2:00 p.m. on the next day from dispatch,
Hong Kong: By 9:00 a.m. on the next day from dispatch
(Starting from Sep. 16, 2002),
Vietnam: On the next day from dispatch
Service areas Refer to Table 1
Service price EMS price + 4,500 KRW
Size requirements Weight: Under 30 kg
Contents Document (For Japan only, low-value merchandises worth of under 50,000 KRW are also available.)

[Table 1] Service Areas

International Time Certain Service Areas
Country/City Areas (First three digits of post code)
Tokyo (東京) Postal code 00~43, 94~99
Osaka (大阪) Postal code 52~79
Hong Kong Central, Sheung wan, Wan Chai, Causeway Bay, Tsim Sha Tsui, Tsim Sha Tsui East, Hung Hom, Kowloon Bay, Yau Ma Tei and Mongkok
Hanoi Hoan Kiem, Cau Giay, Thanh Xuan, Dong Da, Hai Ba Trung, Ba Dinh, Tay Ho
Ho Chi minh 1,3,4,5,6,8,10,11, Tan Binh, Go Vap, Phu Nhuan, Binh Thanh, Tan Phu
List of post offices that accept EMS Time Certain Service items
Areas & Post Offices
International Time Certain Service Areas
Area Post Office
Seoul Seoul Central, Gwanghwamun, Seodaemun, Dongdaemun, Gwangjin, Mapo, Gwanak, Eunpyeong, Yeouido, Gangnam, Geumcheon, Seongbuk, Gangdong, Songpa, Yangcheon, Gangseo, Dongjak, Seocho, Yongsan, Nowon, Jungnang, Dobong, etc.

Note. Under six-level post offices are listed in Table 2 <Deadline Time by Post Office>.
Incheon&Gyeonggi Province Incheon, Incheon Jungdong, Incheon Unseo-dong, Incheon Airport, Seo-Incheon, Incheon Gyeyang, Nam-Incheon, Incheon Namdong, Bupyeong, Uijeongbu, Suwon, Dongsuwon, Seosuwon, Gunpo, Anyang, Gwacheon, Seongnam, Seongnam-bundang, Bucheon, Ansan, Goyang-Ilsan, Goyang-Deokyang, Siheung, Gwangmyeong, Yongin-suji, Yongin, Paju, Gimpo, Hanam

For more details on postage, customs clearance, tracking, terms & conditions by destination country, delivery, please visit our EMS webpage ( http://ems.epost.go.kr ) or contact our call center (+82) 1588 1300.