Korea SIM

Overview A call top-up is required when you need additional call minutes. You can also extend your KT Korea eSIM validity period for up to 90 days. Check your phone number on your contract sheet, [...]

A Decade of Supporting Travelers Since February 2016, NeoKOSIM has been helping travelers stay connected in Korea and around the world. 50,000+ Orders Completed Customers from 80+ Countries [...]

When Do You Need a Call Top-Up? A call top-up is required after you use your free 5 minutes (KRW 1,320) of call credit or whenever you need additional voice calls. To top up your call credit, [...]

Get Extra Savings with Coupons – Save more on your Korea SIM, Korea eSIM, or International eSIM purchase with a promo coupon. Simple Steps: – Add your Korea or International eSIM and [...]

5G & LTE Quality and Speed * Q1. What is the average 5G speed in South Korea? -A. As of June 2026, the nationwide average speed across the top three carriers is around 1 Gbps. It provides a [...]

Overview An unlocked phone means your device can freely use overseas eSIMs or SIM cards without carrier restrictions. * How to Check Before Purchasing an eSIM ( or SIM) – 1. Check the [...]

A Question We Hear All the Time – One of the most common questions we receive from visitors to Korea is: “I am about to order for the third time, and I am still a bit confused. Which [...]

Get a free T-Money card. – Available for customers who purchase an SKT, KT, or LG U+ Korea eSIM or SIM card. – A 2-Day Plan is required. – Promotion period: Until further [...]

Overview * If you order a Korea SIM card from NeoKOSIM, your SIM card will be delivered directly to your address in Korea via Korea Post Express Mail. * Orders placed before 4:00 PM (KST) are [...]

Summary * Some KT MVNO Korea SIM products include unlimited domestic voice calls within Korea. * However, calls made to certain paid service numbers are not included in the unlimited calling [...]