Batch screening of international mobile phone numbers, what data problems can be solved by country, format and platform status

When international customer numbers are mixed together, the real trouble is often not the numbers but the country codes, number formats, duplicate data and platform status all mixed together.Numbers such as +1, +44, +66, +84 come from different numbering systems. If local formats and international formats exist at the same time, subsequent detections on WhatsApp, Telegram, LINE, etc. will be more likely to be repeated. What really needs to be solved in batch screening of international mobile phone numbers is to first make the numbers identifiable, and then supplement the number status and the actual required platform account information.

The first step in international number screening is to clarify the format.

Mobile phone numbers are written differently in different countries.

The same customer data may come from different sources and may appear in multiple formats.

For example a UK number might be saved as:

+44XXXXXXXXXX

44XXXXXXXXXX

Or format with spaces, dashes and other symbols.

Countries such as Thailand and Vietnam may have both local number writing and international number writing.

If they are not unified, the same number may be recognized repeatedly by the system.

Therefore, before batch screening, you must at least distinguish:

lcountry code;

lOriginal mobile phone number;

lStandardized mobile phone number;

lWhether there are obvious format abnormalities;

lWhether to repeat.

It is best to keep the original number and not overwrite it directly after standardization. If a conversion error is found later, you can go back to the original data check.

Country codes can help with classification, but they do not directly represent where the customer currently lives.

This is a point that is easily overlooked when organizing international numbers.

The country code of a mobile phone number can help determine the numbering system to which the number belongs, such as:

+1 belongs to the North American numbering system;

+44 corresponds to the United Kingdom;

+66 corresponds to Thailand;

+84 corresponds to Vietnam.

However, the number ownership information and the customer's current location cannot be completely equated.

A person can keep a mobile phone number in his or her original country for a long time but has moved to another country; cross-border customers may also use overseas numbers.

Therefore, it is best to separate the two concepts in the customer table:

Number country/area

Organized based on international area code and number information.

customer market

From registration information, orders, advertising sources,Enterprises such as CRM already have business information.

This way you won't be surprised by seeingThe +44 number directly writes the customer's current business market permanently as the United Kingdom.

Digital Planet has indeed publicly written about international number batch status detection

Digital Planet’s current official number detection page clearly states that batch numbers can passUpload in common formats such as TXT, CSV, Excel, etc., the system will identify the country code and number structure, and provide detection items such as power on and off, operator affiliation, roaming status, etc.

Therefore, when sorting normal business numbers, such results can be added to the original customer data, for example:

US number + operator information + current power on and off status

Thailand number + operator information + current number status

UK number + roaming status + detection time

The results here belong to number communication and operator level information and cannot be written as"American precise customers", "high-spending customers" or "high purchasing intention".

The power on and off state solves the problem of a point in time.

The official website of Digital Planet currently clearly regards the power on and off status as a global number batch detection item, and claims that it can distinguish between power on, power off, offline, unresponsive and other states.

But the power on and off state has obvious timeliness.

It was detected that it was shut down today, and it may have been restarted tomorrow.

Therefore, it is best to bring the date with the test results:

Number status: powered off

Detection time:August 2026

Instead of permanently adding one to the customer"Invalid number" label.

Especially for customers with historical orders and recent inquiry customers, even if the computer is temporarily shut down, the entire customer information should not be deleted.

Operator information is more suitable for solving number attribution issues

When sorting international numbers in batches, the operator field is also more practical.

The official number detection page of Digital Planet currently clearly states that it supports operator identification, including identifying the operator to which the number belongs, and is used to further classify the number data.

For example, it can be organized into:

US number +T-Mobile

US number +Verizon

Indian number +Airtel

Information about different operators can help classify communication technologies.

However, operators cannot directly explain customers' spending power, let alone judge that customers belong to high-value groups just because they use a certain operator.

It is first of all a number attribute field.

Roaming status cannot be written as the country where the customer is located.

The same official Digital Planet page also lists roaming status detection and describes it as determining whether a number is in a communication status such as cross-border roaming.

If this field can be returned by actual detection, it can assist in judging international communication scenarios.

But be careful:

The fact that the number is roaming does not mean that the customer has permanently moved to a certain country;

The number does not roam, and it cannot prove that the customer's actual location must be exactly the same as the country where the number is located.

Therefore, roaming status is more suitable as communication environment information rather than customer geographical portrait.

After the basic numbers are sorted, check the social platform status

When international mobile phone numbers are actually used to communicate with overseas customers, many businesses will continue to care about them.WhatsApp, Telegram, LINE, Zalo and other platforms.

This layer should be separate from the number base state.

For example:

Number basic status

Solve the communication and operator information of the mobile phone number itself.

WhatsApp status

Resolve whether there isWhatsApp account basics and related status.

Telegram status

Resolve whether there isTelegram account basics.

LINE status

Resolve whether there isLINE account basics.

Zalo status

Check whether the corresponding number existsZalo related account status.

We cannot write several platforms together as"The social account is valid", otherwise the salesperson still doesn't know which platform this number can be found through.

Digital Planet does publicly support multi-platform number detection

digital planet currentThe official product page of WhatsApp clearly states that it supports batch number detection, and states that in addition to WhatsApp, it also covers Telegram, LINE, Zalo, Signal, Instagram and other platforms.

Therefore, international numbers can supplement the platform status respectively according to the actual business market.

For example, Southeast Asian customers may be more concerned aboutLINE, Zalo, WhatsApp;

European and American businesses may pay more attention toWhatsApp, Telegram and other channels.

There is no need to check all platforms for each number. Just fill in the fields for which channel is actually used.

The activation and activation of WhatsApp are also two-tiered.

digital planet currentlyThe official WhatsApp page writes more clearly:

The activation status is used to determine whether the number has been registered.WhatsApp;

Active detection will continue to return to the last online time based on activation;

Real-time online detection is another independent function, used to determine whether the detection is online at this time.

So don’t simply write customer data:

“WhatsApp works”

Can be broken down into:

WhatsApp activation status

Last online related status

Instant online status (when actual business needs)

Detection time

In this way, when using the data in the future, you can know what each field really represents.

Just because the platform has been opened does not mean that customers have recent needs.

For example, both international numbers are detectedWhatsApp has been activated.

clientA is from the US official website, and I actively inquired yesterday.

clientB comes from British historical activities, which have not had any new business actions for two years.

The platform status of two numbers may be exactly the same, but the sales value is obviously different.

so:

Platform registration statusDetermine whether there is such a communication portal;

Platform active statusAddress signs of recent use;

Customer business statusAddress whether there is a real need.

These three levels cannot be mixed together.

Duplicate numbers are best handled before platform detection

The more international data sources there are, the greater the duplication.

The same number may come from:

Facebook ads;

Official website form;

Historical orders;

customer service system;

Event registration.

If the system is retested every time, the same number may be used repeatedly.Filter on WhatsApp, Telegram, etc.

A more practical way is to deduplicate the numbers after standardization, and then merge different business records back into the same customer entity.

For example, it can finally be formed:

American customers

Standard number:+1XXXXXXXXXX

First source:Facebook ads

Later behavior: Official website inquiry

Recent Action: Order

WhatsApp Status: Actual Test Results

This will reduce repeated detection and will not delete customer history.

Obvious abnormal formats should be released separately

When batch screening of international numbers, not every piece of data is worthy of being forced into subsequent testing.

If this occurs:

The number length is obviously wrong;

Duplicate country code;

Text is mixed into the field;

Key number digits are missing;

Unable to determine country code;

You can enter the exception data group first.

It is enough to simply divide it into three categories:

Standard number

The format is normal and subsequent detection can continue.

Correctable number

There are only issues such as spaces, horizontal lines, and local formats. We will check them after sorting them out.

Obvious abnormal number

Temporary manual confirmation, the platform status is not forcibly given.

This way the end result is cleaner.

It is best to merge the test results back into the original customer information.

After the international number detection is completed, if a new file is exported and placed there, it will still be difficult to use for sales.

What is really valuable is putting the technical fields back into the original customer body.

For example, it turns out:

nation

Phone number

Customer source

Follow products

Recent inquiries

Add later:

Standard number

Operator

Number status

WhatsApp status

Telegram status

LINE status

Detection time

The customer source, products, and inquiry are the company's own business information; the number and platform detection results come from the corresponding detection tools.

When the two parts are put together, the customer information is complete.

detected"Normal number" does not mean that you can market it at will

This is the final layer that must be distinguished in international number screening.

Even if a number satisfies:

The format is normal;

Currently powered on;

The operator information is normal;

WhatsApp has been activated;

It has been online recently;

Nor does it automatically represent a customer's willingness to receive marketing.

If the customer has explicitly unsubscribed, refused contact or requested to stop marketing, it should be handled according to the company's own contact refusal record.

The technical status of the number can only be answered"Whether the channel exists" cannot answer "whether the customer agrees to be contacted."

International numbers could finally be grouped by purpose

After the detection is completed, many complex labels are not necessarily required.

Can be easily organized:

Normal channel data

The number status is normal, the target social platform has an account base, and the source of the customer is clear.

Change channel data

A certain platform does not detect the account, but the customer still has a real business relationship and can continue to use the customer's other original contact information.

Hold data

Shut down, temporarily unreachable or detection status requires further confirmation.

Abnormal data

There are obvious problems with the number structure or basic status. Do not enter the normal business process yet.

This kind of sales method is easy to understand and easy to implement.

The real solution to batch screening is to allow international numbers to“can understand”

The official website of Digital Planet currently publicly claims that it supports batch import of international mobile phone numbers, identification of country codes and number structures, power on and off status, operators, roaming status, andSocial platforms such as WhatsApp detect and support export of structured results.

However, these results still belong to the detection at the number and platform level and should not be expanded to the customer's real location, income, spending power or purchase intention.

The real value of batch screening of international mobile phone numbers is to organize numbers that are originally in confusing formats, unclear countries, and unknown statuses into data that can continue to be used, and then supplement it according to business needs.Status on WhatsApp, Telegram, LINE, Zalo and other platforms. As for which customers are worthy of priority development, in the end it comes back to sources, consultations, orders and real business relationships.

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