| Service operating company | Seoul Japan Commerce INC. |
| Representative director | ITO YUMIE |
| Business registration number | 445-86-00852 |
| Mail Order Business Registration Number | 2023-서울마포-1397호 |
| Capital | 710 million won |
| Adoress | （Korea Office） 서울특별시 마포구 동교동 206-11 1F |
| Tell | 070-7673-9666 |
| E-mail address | mobile@seoul-heyanavi.com |
| Related Services | ソウル部屋ナビ ソウル留学ナビ |
SIM card reservations are accepted through the web reservation form.
＼Reservations from the web／
＼SIM Card Consultation／
| Purpose of Visit | Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|---|
| Prepaid Plan | ● 10:00～11:30 14:00～17:00 | ● 10:00～11:30 14:00～17:00 | ● 10:00～11:30 14:00～17:00 | ● 10:00～11:30 14:00～17:00 | ● 10:00～11:30 14:00～17:00 | ● 14:00～17:00 | × |
| Postpaid Plan | ● 10:00～11:30 14:00～16:00 | ● 10:00～11:30 14:00～16:00 | ● 10:00～11:30 14:00～16:00 | ● 10:00～11:30 14:00～16:00 | ● 10:00～11:30 14:00～16:00 | × | × |
| Personal Authentication Registration | ● 10:00～11:30 14:00～17:30 | ● 10:00～11:30 14:00～17:30 | ● 10:00～11:30 14:00～17:30 | ● 10:00～11:30 14:00～17:30 | ● 10:00～11:30 14:00～17:30 | × | × |
*2025 Holiday：1/1,1/28,1/29,1/30,3/1,5/5,6/6,8/15,10/3,10/5,10/6,10/7,10/9,12/25
1F, 206-11 Donggyo-dong, Mapo-gu, Seoul
※There is no parking at our office, so please use nearby coin parking or public transportation.
Frequently Asked Questions
- What documents do I need to apply for?
- You can apply for the prepaid plan with just your passport (non-Korean) or alien registration card.
- I don’t have my passport with me.
- A passport is required to complete the application process, so please make sure to have it ready.
- Is it possible to open without a Korean address?
- You can make a reservation for a visit, but an address will be required to complete the process. If you don’t have an address, please consult with us beforehand.
- Do I need anything else besides my ID?
- Yes, you’ll need a mobile phone that is not carrier-locked. Devices purchased from Japanese telecom companies often have SIM locks, so please check in advance. If your device is locked, make sure to unlock it or prepare a SIM-free device.
- What should I do after I finish using it?
- You do not need to return the SIM card so you can simply throw it away.
- Can I extend the usage period?
- Yes, some plans can be extended. Please check the product details page for more information.
- I’d like to get a refund because my stay has been shortened.
- Unfortunately, refunds cannot be issued for your convenience or for the unused period of the plan you purchased. Thank you for your understanding.
- Can I get a Korean phone number?
- Yes, you will receive a genuine Korean phone number starting with 010.
- After receiving my Alien Registration Card (ARC), can I link it to my number?
- Yes, if you initially registered with your passport, you can re-register using your ARC once it’s issued. (Note: This option isn’t available for minors, as per Korean regulations.) To proceed with the change, please contact our official Facebook page.
- What does the 3Mbps speed limit mean?
- It’s fast enough for streaming videos and browsing social media apps. However, app-based calls and video calls might be affected. For a smoother experience, we recommend using Wi-Fi or regular calls whenever possible!
- Is the service only available in Seoul?
- No, our telecom service is available throughout Korea. If you’re planning to study or stay in cities outside Seoul, you’re welcome to purchase our SIM cards too.
- Do I need to make a reservation in advance?
- It’s recommended to make a reservation at our Seoul office. If you visit without one, you might need to wait.
- Do you offer services in English?
- All consultations on Seoul office or official Facebook are available in English. Our staff is completely fluent in English.
- Can I book a reservation for multiple people?
- Yes, you can! Just make sure to register only the representative when booking.
- I’d like to book a same-day reservation, but the web page won’t let me.
- Please reach out to our official Facebook page to make a same-day reservation.
- What documents do I need to apply for?
- You will need an alien registration card and a Korean bank account for the postpaid plan.
- I don’t have my alien registration card with me.
- An alien registration card is required to complete the application process, so please make sure you have it ready.
- Is it possible to open without a Korean address?
- You can make a reservation for your visit, but an address will be required to proceed. If you don’t have one, please consult with us in advance.
- Is there anything else I need besides my ID?
- You will need a mobile phone that is not carrier locked. In the case of devices purchased from a Japanese telecommunications company, SIM lock is often applied, so please make sure to check in advance, and if it is locked, please proceed with the unlock procedure or prepare a separate SIM-free device.
- What should I do after using it?
- Please make sure to go through the cancellation procedure.
- Can I use the phone number I’m using now as it is?
- If you use a prepaid SIM card (90 days or more), you will be able to use the phone number transfer service from Day 91.
- I’d like to get a refund because my stay has been shortened.
- Regarding the plan you purchased, we cannot issue a refund for your convenience. If it is terminated within 6 months (183 days), a penalty of 50,000 won will be charged separately.
- Can I get a Korean phone number?
- Yes, you will receive a genuine Korean phone number starting with 010.
- Can I complete identity verification myself?
- Yes, with a postpaid plan, you can verify your identity using your Alien Registration Card right after the contract is finalized.
- What does the 3Mbps speed limit mean?
- It’s fast enough for streaming videos and browsing social media apps. However, app-based calls and video calls might be affected. For a smoother experience, we recommend using Wi-Fi or regular calls whenever possible!
- Is the service only available in Seoul?
- No, our telecom service is available throughout Korea. If you’re planning to study or stay in cities outside Seoul, you’re welcome to purchase our SIM cards too.
- Do I need to make a reservation in advance?
- It’s recommended to make a reservation at our Seoul office. If you visit without one, you might need to wait.
- Do you offer services in English?
- Yes, all consultations at our Seoul office or through our official Facebook are available in English. Our staff is fully fluent.
- Can I book a reservation for multiple people?
- Yes, you can! Just make sure to register only the representative when booking.
- I’d like to book a same-day reservation, but the web page won’t let me.
- Please reach out to our official Facebook page to make a same-day reservation.
