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Korea prepaid plan comparison｜KRW 36,000 plans vs pay-as-you-go

Published · 2026.09.30 · Saessak Mobile

A fixed plan around KRW 36,000 is easier to budget for regular mobile data use. A pay-as-you-go plan may cost less when the number is used mainly for incoming calls, texts or identity verification.

Popular plans around KRW 36,000

  • SKT network: KRW 36,000 · basic calls/texts · 300MB, then up to 3Mbps
  • KT network: KRW 36,000 · basic calls/texts · 300MB, then up to 3Mbps
  • LG U+ network: KRW 36,300 · basic calls/texts · 300MB, then up to 3Mbps

Other data ranges

  • KRW 29,700: 300MB, then 1Mbps
  • Around KRW 39,000: 15GB, then 3Mbps
  • KRW 55,000–59,900: 11GB plus 2GB per day, then 3Mbps
  • KRW 66,000: 100GB, then 5Mbps

Pay-as-you-go

The base fee is KRW 4,950 on KT or LG U+ and KRW 5,500 on SKT. The minimum first top-up is KRW 30,000.

Calls cost KRW 1.65 or 1.98 per second, texts cost KRW 16.5 or 22 each, and mobile data costs KRW 22.53 per MB depending on the network.

Data used over Wi-Fi is not deducted from the SIM balance. A fixed plan is usually better for frequent mobile data use.

Latest plan check

Plan names and allowances may change with carrier policy. The current plan sheet will be checked again at activation.

Saessak Mobile

※ Final activation and service conditions depend on identity verification and the carrier check.

Key prepaid SIM information from Saessak Mobile

A prepaid SIM uses money loaded in advance, so you can open a mobile number in your own name regardless of your credit rating or overdue telecom bills. Foreign customers can activate a line with an Alien Registration Card or passport.

  • No long-term contract or cancellation penalty
  • Use in minimum 30-day periods
  • Use it only as long as needed, then stop topping up
  • Suitable for identity verification, receiving SMS and a business number
  • Choose the SKT, KT or LG U+ network

※ Activation may be restricted if a carrier has blocked the applicant, including for spam-related use.

Representative plans by usage

  1. Around KRW 36,000: SKT·KT KRW 36,000, LG U+ KRW 36,300 / voice calls and SMS included under the plan / 300MB, then 3Mbps
  2. KRW 39,000: 100 voice minutes·100 SMS / 15GB, then 3Mbps
  3. KRW 66,000: SKT·KT 100GB, then 5Mbps; LG U+ 5GB per day, then 5Mbps / voice calls and SMS included under the plan

Metered plan for identity verification or a receive-only number

  • SKT base fee: KRW 5,500
  • KT·LG U+ base fee: KRW 4,950
  • Minimum first top-up: KRW 30,000
  • Calls: KRW 1.65 or 1.98 per second
  • SMS: KRW 16.5 or 22 per message
  • Mobile data: KRW 22.53 per MB
  • Calls, SMS and mobile data are deducted according to actual usage; Wi-Fi use does not deduct mobile data charges

What to bring to the store

  • Korean customers: Korean ID card or driver’s license
  • Foreign customers: Alien Registration Card or passport
  • Bring the phone in which you will use the SIM if you have one
  • If you do not have a phone, you can buy a used phone at the store and activate the SIM together

Saessak Mobile
28 Saessak-ro, Busanjin-gu, Busan
Monday–Saturday 10:00–20:00 · Closed Sunday
010-6386-9959
View all plans and store location