Check any South Korean phone number — find SKT, KT, or LG U+ carrier info and community voice-phishing reports.
Our database cross-references KISA carrier data and community reports for every +82 South Korea number.
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Publicly visible social media accounts and online profiles associated with the number.
Location-related records from public sources — current and historical.
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A 0–10 spam probability score calculated from report volume and caller behavior patterns.
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All Korean mobile numbers start with 010. Landlines use city area codes. The prefix identifies the region and line type.
| Prefix | Type | What it means | Cost to call back |
|---|---|---|---|
| 010 | Mobile | All KR operators (unified since 2004) | Standard mobile rate |
| 02 | Landline | Seoul | Standard rate |
| 031 | Landline | Gyeonggi Province | Standard rate |
| 051 | Landline | Busan | Standard rate |
| 053 | Landline | Daegu | Standard rate |
| 0800 | Toll-Free | Freephone — all KR networks | Free to call |
| 0600 | Premium | Premium rate services | ⚠️ High charges |
Korean area codes map to cities and provinces. Click any to explore reported numbers.
These are the most-reported caller fraud patterns in South Korea right now.
Callers impersonate prosecutors or police officers claiming your account has been used in money laundering. They demand you transfer funds to a "safe account" for investigation. Korean prosecutors never request phone transfers. Report immediately to the Financial Crimes Investigation Unit or call 112.
Callers pose as family members or bosses via KakaoTalk requesting urgent gift card purchases. They ask for pin codes by message. This is the most common method for instant financial extortion in Korea. Never send gift card codes to unverified contacts.
Callers claim to be from KT or SKT technical support warning of billing errors or account hacks. They request remote access to your device to "fix" the problem. No Korean carrier makes unsolicited tech-support calls. Hang up and call your carrier's official helpline.
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