042 area code — Daejeon
In South Korea, the area code 042 covers Daejeon. Numbers are written internationally as +82 42.
How to call Daejeon
- From abroad
- +82 42 XXX XXXX
- Within South Korea
- 042 XXX XXXX
- Country calling code
- +82
About the 042 area code
When you see a number beginning +82 42, it belongs to Daejeon: the 82 is South Korea's country calling code and 42 is the area code.
Area codes like 042 tie a phone number to a place — useful for knowing where a call or message originates, and for signing up to services that expect a local South Korea number. To actually receive an SMS on a South Korea number, a temporary or virtual line does the job without exposing your own SIM.
Frequently asked questions
What area code is Daejeon?
Daejeon uses the area code 042, written internationally as +82 42.
How do I call Daejeon from another country?
Dial your international access code, then +82 42, then the local number — dropping the national leading 0.
What time is it in Daejeon?
Daejeon is in the Asia/Seoul time zone; the live clock above shows the current local time.
Is 042 a mobile or a landline code?
042 is a geographic (landline) area code for Daejeon. Mobile numbers in South Korea use their own separate prefixes.