Jeju
📞 How to dial
064 is the South Korean area code for Jeju. From abroad, dial +82 64 and then the number — the leading 0 of the area code is dropped. Inside Korea, add 064 only when calling from a different region.
Same region
Recommended Content
+1, +44, +81… Find the country calling code for 98 countries, see how to dial from a mobile or landline, and look up South Korean area codes.
Decode clothing care tag icons and search 34 common washing, drying, and ironing symbols
11:11, 12:21 and other double times you keep catching on the clock: mirror hours. Look up each one's angel, numerology and love message, plus what it means for your situation.
Check your webcam in the browser — live preview, resolution and frame rate, with camera switching and snapshots.
Crack the hidden 8-character equation, like 12+34=46, in 6 tries. Every guess must be a true equation, and green, yellow and gray tiles show which digits and symbols are in the right spot.
Tap numbers 1 to 50 at lightning speed.
Rising sine tones reveal the highest pitch you can still hear — and the age your ears are hearing at. Grab headphones and find out in under a minute.
12 questions on your past month: a stress score out of 48, your level and type, plus tips (not a diagnosis)
Codes follow the ITU E.164 numbering plan and can change. Check exit codes and rates with your carrier.