What to Bring for a Prepaid SIM in Seomyeon, Busan｜ID, Phone and Activation Steps
No long-term contract is required. Service is available in periods of at least 30 days. Foreign customers can apply with a Residence Card or passport. If you do not top up for the next period, service is suspended and the number is later terminated under the carrier policy. Identity-verification availability can vary by registration details and the service used.
Saessak Mobile in Seomyeon, Busan
Before visiting for a prepaid SIM
bring these items
What to bring
Korean citizens
Resident ID card or driver’s license.
Foreign nationals
Alien Registration Card or passport.
The phone you will use
Bring the actual device in which the SIM will be installed. If you do not have a phone, you can purchase an available used phone at the store.
Activation steps at the store
- Check your ID and phone — We confirm the type of identification and the device that will use the SIM.
- Choose a plan — Compare low-cost verification numbers with higher-data plans.
- Choose a new number or number porting — Decide whether to receive a new number or keep your current one.
- Test the service — Insert the SIM and check calls, messages and mobile data.
Popular plan options
KRW 4,950–5,500 per month, pay-as-you-go
Charges are deducted according to use; the minimum initial top-up is KRW 30,000.
KRW 36,000–36,300 per month
Standard calls and messages, with 3Mbps data after 300MB.
KRW 39,000 per month
100 call minutes, 100 messages and 3Mbps data after 15GB.
KRW 66,000 per month
Standard calls and messages, with 5Mbps data after 100GB.
Who is it suitable for?
- Foreign nationals who need a Korean phone number using a passport or Alien Registration Card
- People who need a number for identity verification or work without a long-term contract
- People who need a Korean number for a short stay
Saessak Mobile — Seomyeon, Busan
28 Saessak-ro, Busanjin-gu, Busan
Monday–Saturday 10:00–20:00 · Closed Sunday
010-6386-9959
Bringing your phone and identification will make the consultation faster.