042How to dialHow to dialDaejeon's area code is 042. Within the same region you can dial without it; from another region, start with 042. From overseas, dial +82 42 (drop the leading 0).Related entriesπ°π· Seoul02π°π· Gyeonggi031π°π· Incheon032π°π· Gangwon033π°π· South Chungcheong041π°π· North Chungcheong043Dialing codes follow the ITU E.164 plan and may change; confirm with your carrier for exact prefixes.Share