03400 area code — Villa Constitución
In Argentina, the area code 03400 covers Villa Constitución. It falls within Santa Fe. Numbers are written internationally as +54 3400.
* Argentina spans more than one time zone; the clock shows its primary zone.
How to call Villa Constitución
- From abroad
- +54 3400 XXX XXXX
- Within Argentina
- 03400 XXX XXXX
- Country calling code
- +54
About the 03400 area code
When you see a number beginning +54 3400, it belongs to Villa Constitución: the 54 is Argentina's country calling code and 3400 is the area code.
Area codes like 03400 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 Argentina number. To actually receive an SMS on a Argentina number, a temporary or virtual line does the job without exposing your own SIM.
Frequently asked questions
What area code is Villa Constitución?
Villa Constitución uses the area code 03400, written internationally as +54 3400.
How do I call Villa Constitución from another country?
Dial your international access code, then +54 3400, then the local number — dropping the national leading 0.
What time is it in Villa Constitución?
Villa Constitución is in the America/Argentina/Buenos_Aires time zone; the live clock above shows the current local time.
Is 03400 a mobile or a landline code?
03400 is a geographic (landline) area code for Villa Constitución. Mobile numbers in Argentina use their own separate prefixes.