h.
HUHU.fr
TECHNIQUES
February 4, 20264 min read

Geographic vs Mobile Numbers: Impact on B2C Reachability

Sophie MartinHUHU.fr Editor

Geographic, mobile or VoIP? Discover how your phone prefix choice directly impacts answer rates and B2C reachability.

Geographic vs Mobile Numbers: Impact on B2C Reachability

Choosing between a geographic number (01-05), a mobile number (06/07), or a non-geographic number (09) may seem trivial. However, this strategic choice directly impacts your answer rates and prospect perception.

Understanding French phone prefixes

  • 01-05: Geographic numbers (now portable nationwide since 2023)
  • 06-07: Mobile numbers
  • 09: Non-geographic/VoIP numbers

Answer rate benchmarks

  • Local geographic: 35-45%
  • Mobile 06: 30-40%
  • Mobile 07: 20-30%
  • Hidden number: 5-15%

FAQ

Is the 07 prefix less effective than 06?

Statistics show a 5-10 point gap in answer rates. The 07 suffix from negative perception linked to temporary numbers.

About the Author

Sophie Martin

HUHU.fr Editor

Everything you need to know about telephony for your sales teams. We strive to provide as many articles as possible to support your commercial growth.

Articles in Techniques

Displayed name, known number, authenticated call: why these three signals do not prove the same thing
Techniques

Displayed name, known number, authenticated call: why these three signals do not prove the same thing

Displayed name, known number, authenticated call: understand what each signal really proves before an outbound calling campaign.

Sep 27, 20267 min
AF2M, 33700 and operators: what happens after a voice spam report is sent?
Techniques

AF2M, 33700 and operators: what happens after a voice spam report is sent?

What happens after a 33700 voice spam report? AF2M's role, operator transmission, limits and practical steps for businesses.

Sep 23, 20266 min
SIM swap and phone fraud: why number verification alone is no longer enough for fraud teams
Techniques

SIM swap and phone fraud: why number verification alone is no longer enough for fraud teams

Checking that a number matches a mobile line can reduce part of the fraud, but it is not enough against SIM swap attacks. Fraud teams need to separate line verification, identity proof, and monitoring of recent changes.

Aug 17, 20266 min
MAN, STIR/SHAKEN, branded calling: who really authenticates your calls in 2026?
Techniques

MAN, STIR/SHAKEN, branded calling: who really authenticates your calls in 2026?

France’s MAN, STIR/SHAKEN, and branded calling do not solve the same problem. Here is how to separate network authentication, ARCEP rules, and brand display without mixing them up.

Jul 3, 20266 min
Wi-Fi Calling, VoLTE, eSIM: do these services change spam detection?
Techniques

Wi-Fi Calling, VoLTE, eSIM: do these services change spam detection?

Wi-Fi Calling, VoLTE, and eSIM mainly improve connectivity and line activation. Spam detection depends much more on number reputation, authentication, and operator filtering.

May 27, 20266 min
5G and VoIP: How the New Mobile Generation Changes the Anti-Spam Fight
Techniques

5G and VoIP: How the New Mobile Generation Changes the Anti-Spam Fight

5G and VoNR (Voice over New Radio) transform mobile telephony into pure IP flows, paving the way for STIR/SHAKEN and native call authentication. Discover how this technical revolution changes the anti-spam fight.

Mar 31, 20264 min

Recommended Articles

SMS Spam: Why Scams Are Moving from Phone Calls to Text Messages
Trends

SMS Spam: Why Scams Are Moving from Phone Calls to Text Messages

Phone spam is declining, but a new threat is emerging: SMS spam. With a 2534% increase in 2025, smishing has become scammers' preferred channel. Here's why.

Mar 27, 20265 min
Truecaller, Hiya, Orange: Which Anti-Spam to Choose?
Tools

Truecaller, Hiya, Orange: Which Anti-Spam to Choose?

Which phone anti-spam to choose? Complete comparison of Truecaller, Hiya and Orange with pros, cons and recommendations for your needs.

Jan 16, 20265 min
Top 10 Tools to Check If a Number Is Spam in 2026
Tools

Top 10 Tools to Check If a Number Is Spam in 2026

Truecaller, Hiya, Tellows, reverse directories... Discover the best free and paid tools to identify spam numbers in 2026.

Jan 7, 20264 min
How to Build a Lead Provider Scorecard That Procurement, Marketing, and Sales Actually Accept
leads

How to Build a Lead Provider Scorecard That Procurement, Marketing, and Sales Actually Accept

A strong lead provider scorecard does not compare price alone. It aligns compliance, traceability, delivery, CRM integration, and sales performance so procurement, marketing, and sales can make the same decision.

Aug 26, 20266 min
International callback, French number, travelling customer: how to avoid a spam false positive
Case studies

International callback, French number, travelling customer: how to avoid a spam false positive

A customer can travel with a French number without making an international callback suspicious by default. Here is how to separate a real travel context from a fraud or spam signal.

Aug 25, 20266 min
Legal Telemarketing Hours in France 2026: Complete Compliance Guide
Regulations

Legal Telemarketing Hours in France 2026: Complete Compliance Guide

Legal telemarketing hours in France: 10am-1pm & 2pm-8pm slots, 4-call rule, and penalties up to €375,000. Stay compliant in 2026.

Jan 22, 20262 min

Protect your numbers now

Monitor your number reputation and anticipate blocks before they impact your conversions

Geographic vs Mobile Numbers: Reachability Impact | HUHU.fr