Affordable Talk + Text + Data,


Offer affordable Int’l & Local Call and Text
Pay As You Go KRW30,000(~US$28.5) Plan
Offer Credit KRW40,000(~US$38)
Rechargeable SIM
Runs on a nationwide super fast 4G LTE KT network.
Data Speeds : Avg.140 Mbps
Pick it up at Travel Center at main gate of Int’l airports.
Good for spending long stretches in the Korea
Outgoing Int’l Call, Text is available.
Free incoming call, text from your country is available.
No Drop off SIM
Offer Voice Talk Apps like Whatapp to calls and text messages.
Support Hot Spot and Tethering.


Price Credit Amount
US$28.5(KRW30,000) KRW40,000(~US$38)
Save 25% OFF!
Credit bonus KRW10,000(~US$9.5) is given.
 Credit KRW40,000 that can be used is as below.
Data : up to 2 GB, or
Local Call : up to 336 Min, or
Int’l Call to USA : up to 555 Min, or
Local SMS : up to 1,818 Texts
Surtax 10% included.

Order Now ! 

1 Step 1
Customer Details
Nationalitye.g South Korea
First Name
Last Name
Order Details
Start Date
I confirm my phone is unlocked.
Order productQtyTotal
ANNEX SIM Basic[field60][field48*field60]

Purchasing Process

  • Step 1. Booking Order
  • Step 2. Payment
  • Step 3. Order confirmation
  • Step 4. Pickup
  • Step 5. Checking Credit Expiry
  • Step 6. Getting Started
  • Step 7. Recharge (Top-Up)


Booking Order

Order at least 24 hours prior to pick up SIM.
If you want to pick it up at Hongdae Station in Seoul, you can order and collect the same day.
Available for Multi-Qty Purchase
Only one person can be used one line.
Make sure that Phone should be unlocked
Check what SIM size you need : Nano or Micro


Pay with your credit card as a guest on the PayPal Page
by Choosing “Pay with my credit or debit card” instead “Log in” if you don’t have PayPal account.
Visa, Master American Express, Discover or PayPal account are accepted.
If you are having difficulty paying via PayPal, Open Market Shopping Mall for Korean is another way.

Order Confirmation

Order Confirmation mail will be sent with your voucher.
Download your Voucher from attached file.
Check your spam or junk email folder if not received mail.
Take a picture or screenshot Voucher on your phone (recommend) or print it out.


Pickup and SIM Activation

Pick up SIM at designated point.
Not allow other user to pick up SIM Card on your behalf.
Required Documents : Voucher and Passport
Korean ID or Drive License is available if you have Korean nationality.
SIM Activation (Starting) depends on your pickup time.
When collecting at 07:00 ~ 09:00, it’s after 9:00.
When collecting at 09:00 ~ 18:00, it’s Right after registration..
When collecting at 18:00 ~ 21:30, it’s from the next day after 9:00.
SIM starting information will be notified by SMS.
Pickup points B is as follows.
Incheon Airport, AREX Travel Center
Terminal 1 : Except KE, KL, AF, DL
Terminal 2 : KE, KL, AF, DL
Gimpo Airport Station, AREX Travel Center
Seoul Station, AREX Travel Center
Hongdae Station, Link Korea, Seoul

Checking Credit Expiry

It is counted on SIM Card switching date and time.
Credit expiry is offered for more than 90 days by monthly recharging.
When collecting by foreign passport, expiry is given 90 days.
When collecting by Korean ID Card or passport or Drive License, expiry is given more than 90 days for as you want
Credit Expiry can be reduced or data service can be interrupted if using local calls below.
Calls to the number (such as 1588, 1577, 02-1588), telephone information service (060), TRS (013), domestic video call and personal number service (050) are strictly limited.
ANNEX Customer Center (1544-4344) is available only.
When the validity date is expired or no balance is left,
the calling and data service will be suspended
incoming calls is possible for 15 days
the phone number will be terminated on the 45th since the validity date has expired.

Getting Started

Ease to use as Setting configures the correct data APN automatically
All you do switch Korea SIM Card into your phone and
Check KT 4G LTE connected
If your phone does not work, contact staffs at the pickup points

Recharge (Top-Up)

The minimum Recharge (top-up) amount is KRW10,000.
Validity period is given 30 days per KRW10,000.
This SIM is powered by ANNEX Telecom, KT MVNO.
ANNEX Telecom Customer Center
82-1544-4344(overseas), 1544-4344(domestic)
Business hours
Mon ~ Fri: 09:00 ~ 20:00
Lunch break: 12:00 ~ 13:00
Weekend & Holidays: 09:00 ~ 18:00
How to recharge by using APPS a follows.
Download the “WHOMSIM” application from the Android, IOS app store.
Choose Language and Top Up.
Choose payment options : “Top-up” on menu page.
Global or Korean Credit card is available.
VISA, MASTER, JCB, AMAX are accepted.
Choose “Credit Card” on menu page.
Input your mobile phone number given A Mobile.
Choose Top-up amount (KRW10,000).
Put your credit card info to make a payment.
Receive a text message confirming the Recharge(top-up).
That’s folk all.

Rates for Call and Text

Incoming calls for free
How to make a Int’l calls and send Texts
Calls : 00345 + country code + Region code + Phone number
Texts : 00345 + country code + Region code + Phone number + type text
Unit : KRW, Surtax 10% included
Int'l Calls/Texts
USA 1.2/sec Japan 3.0/sec
Singapore 7.8/sec Canada 7.8/sec
Australia 7.9/sec SMS 110/sent
LMS 330/sent MMS 660/sent
Local Data/Call/Text
Data 20.48/MB
Call 1.98/sec
SMS/LMS/MMS 22/33/220/sent
To see more regional rates details, Tap region below!

Amend, Cancel and Refund

Send us email promptly if you want to cancel your order or refund, amend order details.
It is subjected to following our policy.
Before the pickup date: fully refunded.
After pickup date : pickup date is amendable or 90% amount of the total paid price will be refunded.(10% handling fee)
Once Rechargeable Korea SIM opened, it is strictly not refundable once sold.
Refund of balance will be paid back by PayPal account.
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