On-campus laboratories, department offices, and dormitories are connected with four-digit extensions. From the outside, they can be called with the area code of 042 and prefix 350. You can receive domestic and international calls with most landline telephones on campus, but some phones are locked and only outgoing calls can be made. To make calls from dormitories, it is necessary to purchase pre-paid phone cards. There are also public phone booths at KAIST that can be used to make local phone calls. These public phone booths are located at the International Student Center (W2) and near N12. Korea’s prefix for international dialing is +82 and Daejeon’s area code is 042. Your family may reach you by dialing +82-42-350-XXXX. Telephone cards may be bought at on-campus shops and off-campus convenience stores. The telephone cards are available at four prices: 2,000, 3,000, 5,000 and 10,000 Won. There are three types of payphones: coin-operated phones, card phones, and coin & card phones. To make an international call from a pay phone, dial 001, 002, 0052, or 00700 + country code + area code + local number. It is possible to make international calls using certain credit cards. Phones offering this service are installed at hotels and major public facilities and have English instructions.
How to make a call from an in-campus telephone
1.Making calls from on-campus laboratories/departments require only the four digit extension. On the other hand, the International Faculty Apartment (IFA, W11) require a slightly different process.
To make calls to other campus facilities from the IFA Press “*0” + four-digit extension number
To make calls to the IFA from other campus facilities Press “*2” + four-digit extension number
2.To make calls to Daejeon phone numbers (outside campus) or mobile phone numbers. Press “9” + (phone number)
3.To make calls to phone numbers outside the Daejeon region.Press “9” + (Area Code) + (phone number)
Calling outside campus and to a mobile phone is the same process as above 2 and 3
South Chungcheong Province
North Gyeongsang Province
South Gyeongsang Province
North Jeolla Province
South Jeolla Province
• If you bring your smartphone from your home country, it may be possible to use the phone in Korea if there is no country lock on it. If it is locked, it can be unlocked through your mobile carrier.In this case, you only need to purchase a USIM chip for the smartphone in Korea. (The phone store in the HanbitPlaza* is a recommended location to purchase a USIM chip. There is also a phone store inside the campus in N13 Building Tae Wul Gwan)
• To sign up for subscription plans, be sure to take your Alien Registration Card (ARC) and bank details. (If you are getting a post-paid plan, your bank account should be the one opened with your ARC. If your bank account was made with your passport, go to the bank with your ARC to change the information on the account)
A. Types of Mobile Services
There are three mobile phone carriers in Korea: SKTelecom (SKT), Korea Telecom (KTF), and LG U Plus. There is little difference among these companies regarding the quality of phone calls and data coverage, but you can enjoy discounts if you choose the same company as the one used by people you call frequently with.
• Prepaid plan service
- For 20,000 KRW, 180 minutes of phone call(calling time) is provided, and for 11,000 KRW, 500 MB of data is provided. You can also buy more time and data if needed. The price for a mobile phone is from 20,000KRW and a smartphone from 50,000KRW. It is also possible to lease a phone.
• Postpaid plan service
- For more flexible or limitless calling time and data, a postpaid plan is recommended. - Purchasing a mobile phone is similar to a prepaid plan, but the differences in payment are due to the calling plan and subscription fee (of around 24,000 won). Each telecommunications company offers various calling plans
B. How/Where to Subscribe for a Mobile Phone
- On the KAIST campus, there is amobile phone store on the 2nd floor of Tae WulGwan (N13). N-Zone service is provided, enabling free phone calls for KTF subscribers within the Daejeon campus. The procedure for mobile phone subscription is a little more complicated for foreign residents. As there are no English speaking clerks, it is recommended to take a Korean speaker with you when visiting the shop. The store opens from 9:00 to 18:00.
- There is a mobile phone shop near the KAIST campus called ‘THE PREPAID-KTF Olleh’ (“우리통신”) on the 1st floor of theHanbit Plaza in Eoeun-dong (outside the West Gate), and there is an English speaking clerk for foreigners. The contact person is Reina, and the store’s phone number is 1661-0896 without area code. The store’s business hours are from 10:00 to 20:00 but to activate your phone on the day of subscription, you must go there well before 17:00.
C. How to make a call from your mobile phone
- Make sure to press the area code (e.g. 042 for Daejeon) when you call a landline phone with your cell phone.
- When making an international phone call either with your cell phone or landline phone, press "001”, "'00365" or "00700" and then the country and local codes.
Mail is initially delivered to the KAIST post office and is then distributed to each office and dormitory twice a day. To send mail, visit the Post Office located on the 1st floor of the Student Center (N12). Specify “express” or “registered” on the envelope if you need such services, and pay accordingly.
The standard voltage is 220V. Two-pin plugs are standard on most electrical equipment. You can buy adapters at the convenience store on campus (N13 or W2) or at discount malls, such as Homeplus, E-mart, etc.