📋 Key points: Personally, I believe caution is necessary with numbers starting with 01 62, as they are now massively used by automated telemarketing platforms. Although they are geographically linked to Île-de-France, more than 75% of these calls do not come from someone nearby but from call centers. I systematically recommend letting it ring and waiting for a voicemail before calling back.
Suspicious numbers, repeated calls, and unexpected solicitations can turn daily life into a source of stress. You receive a call with an unknown prefix, hesitation sets in: is it a legitimate commercial approach or an attempted scam? Distrust is essential, as the line between prospecting and fraud becomes blurred, especially with the massive use of the 01 62 or 09 48 area codes in the Paris region. Faced with this modern plague, it is urgent to understand how to recognize warning signs, differentiate an authorized call from a scam, and adopt the right reflexes to protect your personal data. Vigilance and concrete methods will be your allies to secure your telephone exchanges, limit nuisances, and preserve your peace of mind.
📍 My experience: In February 2026, I received three daily calls from a number starting with 01 62 45 XX XX. Curious, I ended up answering: it was a fake survey on energy renovation aimed at collecting my personal data. The lesson learned is that a genuine official organization will rarely use these ranges of mobile numbers disguised as landlines to contact you without an appointment.
How to identify a number starting with 01 62 or 09 48 and recognize telemarketing calls?
🍀 Good points
- Clear geographical identification
- Free calls upon reception
- Easy to block by prefix
🔻 Limitations
- High probability of spam
- Used for identity theft
- Frequent phone harassment
A number starting with 01 62 or 09 48 often indicates a call coming from a company or administration using a prefix reserved for telemarketing in France. Since January 2023, ARCEP assigns these area codes to distinguish commercial solicitations from other private communications. In Île-de-France and Paris, these codes are common and mainly target individuals via telephone.
The regulation requires that only certain numbers be used for telemarketing, prohibiting the use of mobile numbers starting with 06 or 07. This law aims to protect users against abuse and fraud. Local authorities also use these prefixes, but most commercial solicitations come from private companies.
A call repeated several times a week, at similar times, often signals a practice of telemarketing or an attempted scam. Companies regularly change numbers to bypass blocking and avoid identification by users or filtering applications.
To go deeper, I recommend consulting the list of suspicious 07 numbers which complements this topic well. Our guide on the origin of 09 48 also provides useful insights. And to go further, the analysis on the list of suspicious 06 numbers offers an interesting perspective on mobile spam.
Spotting the signs of telemarketing calls
- Unusual number: Presence of a 01 62 or 09 48 prefix
- Frequent calls: Several times a day or week
- Time slots: Mainly during the day
- Changing number: Regular variations to avoid blocking
What are the risks associated with these calls and how to detect a scam?
Abuses related to telemarketing can lead to the inadvertent disclosure of personal data. An insistent call or one requesting confidential information often signals a scam or an attempt at fraud. Unscrupulous companies exploit loopholes in the legislation to circumvent regulations.
The number displayed is not always reliable. VoIP call centers located outside the region use the prefix 01 62 to mask their real identity. The penalty for non-compliance with the law can reach 375,000 euros, but the frequent change of number makes enforcement difficult.
Some calls are flagged as suspicious by apps or operators, without guarantee of total blocking. The risk of fraud persists because telemarketers adapt their techniques to avoid bans and continue targeting individuals by phone.
| Prefix | Theoretical location | Common use | Risk level |
|---|---|---|---|
| 01 62 | Île-de-France | Commercial prospecting | High |
| 01 40 | Paris Intra-muros | Administrations / Landlines | Low |
| 01 70 | Paris Region | IP Platforms | Medium |
| 01 80 | Suburbs / Boxes | Telemarketing / VoIP | High |
Main signs of a scam attempt
- Request for personal or banking information
- Pressing or threatening speech
- Lack of clear identification of the caller
- Offers that are too advantageous or urgent
What solutions exist to protect against abusive telemarketing
Registration on Bloctel limits the reception of telemarketing calls, but some telemarketers change their number with each attempt. Using blocking or filtering apps helps identify suspicious prefixes and reduce nuisances.
The regulations impose specific hours and days for telemarketing calls, with a ban on calling outside these periods. The legislation provides for penalties for offending companies, but the effectiveness of the system depends on the speed of identifying the offenders.
It remains essential to never disclose personal data during a suspect call. Vigilance and the use of blocking or reporting tools help limit the risks related to telemarketing and scams.
🌍 Did you know?
Since 2023, ARCEP has banned telemarketing platforms from using numbers starting with 06 or 07. As a result, call centers have turned to the ranges 01 62 and 01 63 to appear more ‘human’ and local.
Concrete actions to limit telemarketing calls
- Registration on Bloctel: Official opt-out service
- Blocking applications: Filter suspicious numbers
- Reporting: Report unwanted calls to the authorities
- Refusal to disclose: Never give personal information
What rules and penalties govern telemarketing calls in the Paris region?
The law strictly regulates the use of prefixes like 01 62 for telemarketing in Paris and Île-de-France. A ban on using mobile numbers aims to limit abuse and fraud. Companies must respect time slots and clearly identify themselves during each call.
Penalties against companies that do not comply with the regulations are severe. EDF and Canal+ received fines of 600,000 euros for non-compliance with prospecting rules. The frequent changing of numbers by VoIP call centers complicates the authorities’ task of identifying fraudsters.
The majority of commercial calls from the Paris region use these prefixes. Users must remain vigilant, do not hesitate to use blocking tools and report any attempt of fraud or abuse to strengthen collective protection.
A telesales company has already used more than 500 different numbers in a few weeks to avoid being blocked by users.
⚠️ Classic trap
The common mistake is to immediately call back a missed call out of simple curiosity. This is the basis of the ‘Ping Call’ scam: the number encourages you to call back a premium-rate line. If it is important, the caller will leave a message on your voicemail.
How to differentiate a legitimate call from a scam attempt with a 01 62 or 09 48 number
A call from a number starting with 01 62 or 09 48 may raise doubts about its origin. Legitimate companies always clearly identify themselves at the beginning of the conversation and comply with the regulations on telephone solicitation. In case of doubt, it is advisable to ask the caller for their full contact details, the company name, and the reason for the call to verify authenticity. A refusal or evasive answer is a sign of a scam.
The law requires the immediate identification of the caller and no pressure on the user. Companies that respect the law readily accept a callback later or verification of their identity. Conversely, attempts at abuse often come with insistence, alarming speeches, or unrealistic offers. Staying vigilant helps limit exposure to fraud.
💡 Practical tip
To verify the identity of a 01 62 number without risk, copy the number into a search engine within quotation marks. Community reporting sites will tell you in less than 30 seconds if it is a known spam.
Differences between a commercial call and a fraud attempt
A commercial call is characterized by transparency and compliance with current rules. The identification of the company, clarity of speech, and respect for the right to refuse are systematic. Fraudulent calls exploit urgency or fear to obtain sensitive information, which is never practiced by a serious professional.
What reflexes to adopt when faced with an unknown number in the Paris region?
When an unknown number appears with a prefix 01 62 or 09 48, it is advisable to remain cautious. Never call back immediately; prioritize searching the number on reporting sites or blocking applications to avoid any risk of scam. These tools help identify suspicious practices and protect yourself effectively.
How does the regulation on telephone calls in Paris work?
The regulation imposes specific hours for telephone solicitation and prohibits any unsolicited call outside these time slots. Companies must use specific numbers and respect consumer rights. In case of breach, the penalty provided by the law aims to deter any attempt of abuse.
What recourse in case of abuse or detected fraud?
In the presence of a suspicious call or an attempted scam, it is possible to report the number to the competent authorities. The Bloctel platform, blocking applications, and consumer protection services offer concrete solutions. Filing a complaint helps identify fraudsters and contributes to strengthening user security.
- Systematically verify the caller’s identity before any conversation
- Check online reviews of the received number
- Use a blocking application to filter unwanted calls
- Refuse to disclose personal information by phone
- Report any suspicious call to the authorities or the Bloctel platform
How to react to a suspicious number to protect your personal data?
When faced with an unexpected call or an unknown number, adopting a cautious attitude protects against any abuse. Never provide bank details or sensitive information, even if the caller presents themselves as a professional from the Paris region. Using blocking tools and reporting suspicious behavior strengthens the security of every phone user.
Fréquence des appels
Un seul appel ponctuel Plusieurs appels par jour/semaineMessage laissé ?
Oui, un message clair Non, ça raccroche sans messageScore de risque
Caution is the best ally when facing unknown calls.
FAQ: Everything you need to know about calls with the 01 62 or 09 48 prefix and the fight against telephone canvassing
Yes, some public organizations or companies use these prefixes for their commercial procedures, while complying with regulations. When a professional clearly identifies themselves and agrees that you verify their contact details, it is generally a legitimate call.
A fraudulent call is often characterized by a pressing request for personal information, an alarmist speech, or unclear identification of the caller. A serious operator presents their identity, the purpose of the call, and leaves the choice to continue or not the conversation.
Registration on Bloctel remains a useful first step, but using filtering applications and systematically reporting suspicious calls strengthen daily protection. Staying attentive to new numbers and adopting the right reflexes greatly limits nuisances.
