How to identify whether a German mobile phone number is a virtual number or a code receiving platform number?

existWhen adding friends, creating groups, registering or operating accounts on social platforms such as WhatsApp, Telegram, and LINE, the quality of the German mobile phone number determines the operating costs and conversion efficiency. However, in most batch-imported data, many numbers have unclear sources and poor stability. They are not even the numbers that users actually use, but "virtual numbers" that have been registered repeatedly and automatically received numbers.

Especially in scenarios such as automated group recruitment, account cold start, private domain pool construction, etc., if a large number ofVirtual number or code access platform number, not only cannot establish effective contact, but may also lead to platform risk control, resource waste and account restriction issues.

Therefore, identifying whether a German mobile phone number is a virtual number or a number is a basic ability that every team doing cross-border private domain or social development must have.

What are virtual numbers and code access platform numbers?

virtual number, is provided by non-traditional mobile network operators such asVirtual mobile phone number provided by VoIP service provider, secondary communication provider).

These numbers are commonly used for temporary registration, receiving verification codes, SMS verification, etc.

Access platform number, is a mobile phone number provided by a public platform that allows multiple people to temporarily share it. It is mainly used to accept SMS verification codes and is discarded after registering an account.

These two types of numbers have the following typical characteristics:

lCan receive text messages but does not have real call function

lIt is used repeatedly by many people and is easily identified as a risky account by social platforms.

lAfter registering a social account, it is no longer active and cannot establish real interactions.

lVery easy to ban, account life cycle is short, suitable for one-time use rather than private domain construction

What are the risks of using virtual numbers or access numbers?

In actual operations, using virtual numbers or access numbers will cause many problems:

lThe failure rate of adding friends has soared, reducing conversion efficiency.

lWhatsApp, Telegram and other platforms trigger risk control and the main account is restricted

lThe group control system mistakenly blocked a cold account, causing the community to be silenced

lScript resources are wasted on invalid users.

lDistorted user portraits affect overall data evaluation

lThe customer list is mixed with invalid numbers, leading to errors in follow-up and stratification.

Especially when these numbers are used for account maintenance, traffic conversion, and private domain maintenance, it is even more important."Usable on the surface, but useless in reality."

How to identify whether a German mobile phone number is a virtual number or an access number?

This cannot be accomplished by looking at the number format. The following dimensions are the core basis for judgment:

1. Number segment identification

Mainstream operators in Germany such asTelekom, Vodafone, O2, etc. have stable number segments, while virtual operators and code access platforms often use some unconventional segments, such as some mid-range segments of 0157 and 0178.

2. Frequency of use and abnormal characteristics

The access number often has usage traces of high-frequency registration and multi-platform login, and is marked as such by the platform system."Not credible".

3. Lack of active behavior

These numbers often have no avatars, no status updates, and are offline for a long time.

4. Risk control hit record

Some platform tests can determine whether the number existsRecords of "multiple abnormal logins" or "frequent account logout".

These judgments cannot be made manually, especially when processing large-scale data, and must rely on platform-level detection tools.

How does Digital Planet help identify virtual numbers and coded numbers?

Digital Planet is a platform specially built for global social account detection and supports execution of German mobile phone numbers.Virtual number and code segment identification, combined with multi-dimensional models to quickly determine the use value of each number.

The capabilities provided by the platform include:

lAutomatically identify whether it is a virtual operator number segment

lMatches common number pools of known global code receiving platforms

lDetermine whether the number has typical cold number characteristics

loutput"Recommended use/Use with caution/Exclusion" tags to facilitate hierarchical operations

lSupports batch upload and fast processing, adapting to large-scale data import scenarios

You only need to upload a list of numbers, and the platform will generate availability results to help you completely separate the numbers that can actually be used from the numbers that are at risk.

Applicable scenarios: Which teams must identify such risk numbers?

lWhatsApp Script Operator: Reduce script empty runs and increase hit rate

lPerson in charge of private domain operations: Ensure that imported contacts have long-term conversion potential

lChannel purchasing/Data usage team: Verify whether there is virtual number water injection in supplier data

lMulti-platform registration builder: ensure account security and reduce the probability of account closure

lcommunity management/Group executors: avoid an excessively high proportion of silent users in the group

The dangers of virtual numbers and dialed numbers are not"Can't add", but "you thought it was added".

If you are using a German mobile phone number for private domain construction or social operations,Be sure to check its number attributes before use, this step will directly affect your operational security, conversion efficiency and system stability.

Register and use nowDigital Planet Detection Platform, one-click to identify whether a German mobile phone number is a virtual number or a connected number, and filter invalid users in advance, so that every piece of your data has real meaning.

digital planet is a world-leading number screening platform that combines Global mobile phone number segment selection, number generation, deduplication, comparison and other functions . It supports customers worldwideBatch numbers for 236 countriesScreening and testing services , currently supports40+ social and apps like:

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The platform has several features including Open filtering, active filtering, interactive filtering, gender filtering, avatar filtering, age filtering, online filtering, precise filtering, duration filtering, power-on filtering, empty number filtering, mobile phone device filtering wait.

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