031 area code — Constantine
031 is the local dialing code used in Constantine, Algeria. Numbers are written internationally as +213 31.
How to call Constantine
- From abroad
- +213 31 XXX XXXX
- Within Algeria
- 031 XXX XXXX
- Country calling code
- +213
About the 031 area code
A full number here takes the form +213 31 XXX XXXX — the 31 identifies Constantine within Algeria's numbering plan.
Area codes like 031 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 Algeria number. To actually receive an SMS on a Algeria number, a temporary or virtual line does the job without exposing your own SIM.
Frequently asked questions
What area code is Constantine?
Constantine uses the area code 031, written internationally as +213 31.
How do I call Constantine from another country?
Dial your international access code, then +213 31, then the local number — dropping the national leading 0.
What time is it in Constantine?
Constantine is in the Africa/Algiers time zone; the live clock above shows the current local time.
Is 031 a mobile or a landline code?
031 is a geographic (landline) area code for Constantine. Mobile numbers in Algeria use their own separate prefixes.