Use your own smart phone in Korea!

Roaming charges are too high, save your money by buying our South Korean Local SIM card  !

It is not rental, after using the SIM card, just throw it away.

-Free unlimited call receiving in Korea
-Free international calling to U.S. at local cost.

MON TO FRI: 9AM – 6PM / SAT: 10AM – 2PM

Kakao ID: sunycell (Yellow ID)
Google :Review

Customize your own plans.

You can choose your own Plans
of(minutes, texting and data plan)!

With your own smart phone

You can use your own smart phone
and use all the APPs in your phone as those are.

International Call Forwarding.

You can pick up the calls from U.S.A in Korea.
Up to 80% of lower rates than other roaming charges.

Anywhere in the United States!

Living in another state? No need to worry.
We can send you SIM card by mail anywhere in US.


It’s much easier
to pick up in the state
than to pick up at the airport

We will help you to set up your USIM card for specific US devises

For your accommodation
We do after care

 To obviate the inconveniences
arising from returning the USIM
at the INC airport

Rate Plan (Call+Text+Data), USA Passport holder only

Korean SIM card Plan
Voice /SMS/LTE Data
For 15 days
For 30 days
For 45 days
  • • Service and Handling Fee 10% will be added.
  • • Included 100 minutes to make calls to any USA numbers
  • • You can receive calls from your USA phone number (see below call forwarding option)
  • • You can use unlimited App calls like WhatsApp WeChat and Kakao Talk etc.
  • • You will know the Korean phone number once you buy the SIM card in USA
  • • Upon arriving at Incheon Airport, you can start to use our excellent service immediately.

Data Driven Rate Plan (eSIM available)

Voice/SMS/LTE Data
Unlimited except out bound calling/text
30 days

For Out bound calling/Text

  • • This SIM/eSim has $10 initial balance and this will be deducted by,
  • • Callings to Korean phone number: 26 cents per minute
  • • Calling to USA phone number: 45 cents per minute
  • • Sending out SMS to Korean number: 11 cents per SMS
  • • Sending out SMS to USA number: 33 cents per SMS
  • • You can recharge your SIM/eSIM card by asking to Kevin Bae by Kakao talk if you would need to.
  • • You may pay the recharge by your credit card over the Kakao Talk.

International Call Forwarding Service(Optional)

- You can receive all calls to your USA Phone Number while using our Korean SIM card in Korea.

- Very convenient and cheap.

Call Forwarding Service
Overage after 100 minutes
$3 subscription Fee
100 minutes
10 cents per minute

Simple Application steps for K Rental Phone service.



Download and fill out our application.


Attach your application along with a copy of your passport and send an e-mail to us at,


We will charge the total costs on your credit card upon receiving your application.
And we will ship the SIM card as ordered to you by USPS priority mail.

You must apply for our service at least 5 days ahead of your flight to Korea so that you could receive SIM card before your flight to Korea.
You must fill out application correctly, especially Passport number because that information are essential requested by the Korean Government.