This is the telephone area code for Cergy and the greater Paris metropolitan area in Île-de-France, France.
How to Call Cergy from Overseas
- Dial your country's exit code (International Access Code)
- Dial 33 (France country code)
- Dial the area code (1 - without the leading 0)
- Dial the local phone number (8 digits)
Example: Calling Cergy from Italy
00 33 1 30 00 00 00
Where:
00 = Italy exit code
33 = France country code
1 = Cergy area code (01 without the 0)
30 00 00 00 = Local Cergy phone number
Quick Facts
Cergy Area Code Coverage
The 01 area code covers Cergy and the broader Île-de-France region:
Cergy
Entire city, including Cergy-Préfecture, Cergy-Saint-Christophe, and Les Louvres
Pontoise
Adjacent historic town, part of the same urban area
Argenteuil
Southern neighbor in Val-d'Oise
Sarcelles
Northeastern suburb using the same 01 prefix
Paris
Central Paris and all arrondissements
Greater Paris Region
Includes inner and outer suburbs across Île-de-France
Major France Area Codes
Common Exit Codes for Calling France
When calling Cergy from these countries, use these exit codes:
United States
011
Australia
0011
European Union
00
Japan
010
China
00
Canada
011