What is an 04 telephone number?

The 04 area code corresponds to a toll-free landline on the French telephone network. This number covers many departments, including Ain, Loire, Haute-Savoie and Alpes-Maritimes.
The international format for these numbers is +33 4. This type of number is included in the rate plans of major telephone operators such as Orange, SFR, Bouygues or Kavkom.
The advantages of an 04 telephone number

Enhanced local communication
A number starting with 04 reinforces your local dimension in the South-East of France. This regional presence is particularly appreciated in departments such as Alpes de Haute Provence or Puy de Dôme.
The geographical proximity established by the area code improves customer relations. Callers immediately identify your territorial roots thanks to this local telephone prefix.
An accessible toll-free number
04 numbers are included in the call packages of the main French telephone operators. Your customers can reach you at no extra cost, whether from a landline or cell phone.
This accessibility is guaranteed by operators such as Orange, Bouygues, SFR and Free. ARCEP’s numbering plan defines these rates for metropolitan France.
Guaranteed portability
Keep your 04 telephone number even if you move house. This portability allows you to maintain continuity in your business communications, wherever you are.
VoIP telephony solutions keep your line management flexible. You can keep your original number while modernizing your switchboard.
When should I use a number beginning with 04?

For your professional customer service
An 04 number reinforces proximity with your customers in the South-East. This fixed telephony solution is ideal for :
- Handling incoming calls to customer service
- Building local trust
- Improving your company’s accessibility
For your internal communications
Use area code 04 as a business direct line for :
- Communication between your employees
- Exchanges with your business partners
- Managing your corporate switchboard
For your regional prospecting
Optimize your cold calling campaigns with a local number:
- Better response rate thanks to area code
- Targeted prospecting in the South-East zone
- Communication tailored to the target territory
Activate your virtual number in just a few clicks

Kavkom allows you to quickly obtain a number in 04 with :
- A professional virtual switchboard
- Unlimited fixed and mobile call plans
- Intuitive incoming call management
- Portability of your old number
- Integration with your existing CRM
Frequently asked questions about the 04 area code
What is the 04 area code in France?
The 04 area code designates landline telephone numbers in southeastern France. This French telephone numbering covers a specific geographical area and is part of the national numbering plan established by ARCEP.
Which regions use the 04 area code?
The 04 area code corresponds to the following regions:
- Provence-Alpes-Côte d’Azur
- Auvergne-Rhône-Alpes
- Corsica
- Part of Occitanie (formerly Languedoc-Roussillon)
The departments concerned include Puy-de-Dôme, Haute-Loire and Alpes-de-Haute-Provence.
How does 04 dialing work?
Telephone numbering in 04 follows the national plan established by the regulatory authority. These numbers beginning with 04 are geographic numbers that can be used for :
- Customer service
- Professional fixed-line telephony
- Corporate standards
What are the advantages of the 04 area code?
The main advantages are :
- A stronger local dimension
- Optimal accessibility (toll-free numbers)
- Inclusion in fixed and mobile call plans
- Compatibility with modern VoIP telephony
How do I identify an 04 number?
To identify the origin of a landline number in 04 :
- The second number indicates the department
- The precise location depends on the following 6 digits
- The area code corresponds to a specific geographical area
What are the restrictions on cold calling?
Telephone canvassing is governed by ARCEP regulations:
- Ban on using mobile numbers
- Respecting authorized time slots
- Obligation to identify the calling company
- Compliance with opposition lists
How do I call a number with the 04 area code?
To call a number in 04 :
- From France: dial directly 04 + 8 digits
- From outside France: dial +33 4 + 8 digits
- From a cell phone: same format as a landline
How can I get an 04 number if I don't live in this region?
Kavkom VoIP telephony lets you get a virtual number in 04 even if your company is located in Paris or any other city. This solution offers many advantages:
- Instant number creation in just a few clicks
- Keep your number if you move
- Controlled costs at no extra cost
- Use from any country via the Internet
How do you get your number with Kavkom?
- Choose your VoIP telephony package
- Select a virtual number in 04
- Activate your account online
- Start communicating via our platform or on your mobile with the app available on Apple Store or Android Store.
This cloud telephony solution enables :
- Reinforce your proximity to customers in the South-East of France
- Manage your calls from anywhere
- Integrate the number into your existing CRM
- Technical support in France
Our business telephony offer is suitable for all business sectors, whether you’re in the Paris area or abroad. All you need is a stable Internet connection to take full advantage of the service.
