# ＊ Phone Number

{% hint style="info" %}
**＊SDV Enterprise Feature.** This feature is available to our licensed users and is not currently in our public library. For more information, visit our page to [Explore SDV](https://docs.sdv.dev/sdv/explore/sdv-enterprise/compare-features).
{% endhint %}

Phone number data represents cell phone or landline numbers associated with real users or businesses. Phone numbers are a type of PII data.  A key consideration is that **you do not want the real phone numbers in your dataset to leak**. However, you may want to also **preserve key characteristics of phone numbers** such as their format, international country code and region/area that they come from.

## Key Features

:earth\_americas: This sdtype **understands the geographical context** of phone numbers. It can extract international and region country codes that are embedded in your phone numbers.

:unlock: This sdtype offers the novel [**Contextual Anonymization**](https://docs.sdv.dev/rdt/resources/use-cases/contextual-anonymization) technique on phone numbers that are Personal Identifiable Information (PII). 

## Browse Phone Number Transformers

<table data-view="cards"><thead><tr><th></th><th></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td>＊<a href="phone-number/anonymizedgeoextractor"><strong>AnonymizedGeo Extractor</strong></a></td><td>Anonymize phone numbers while preserving the geographical context</td><td><a href="phone-number/anonymizedgeoextractor">anonymizedgeoextractor</a></td></tr><tr><td>＊<a href="phone-number/newnumbermapper"><strong>NewNumberMapper</strong></a></td><td>Pseudo-anonymize phone number data using a consistent mapping that preserves the geographical context.</td><td></td></tr><tr><td>＊<a href="phone-number/geoextractor"><strong>GeoExtractor</strong></a></td><td>Extract geographical context from phone numbers for data science use.</td><td><a href="phone-number/geoextractor">geoextractor</a></td></tr><tr><td><a href="../generic-pii-anonymization/anonymizedfaker"><strong>AnonymizedFaker</strong></a></td><td>Create fake, anonymized phone numbers without considering the geographical context.</td><td><a href="../generic-pii-anonymization/anonymizedfaker">anonymizedfaker</a></td></tr><tr><td><a href="../generic-pii-anonymization/pseudoanonymizedfaker"><strong>PseudoAnonymizedFaker</strong></a></td><td>Create and use a reversible mapping without considering the geographical conext.</td><td><a href="../generic-pii-anonymization/pseudoanonymizedfaker">pseudoanonymizedfaker</a></td></tr></tbody></table>