Data Segmentation and Targeting

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Marketers use phone numbers as part of their segmentation strategies. For example, the area code within a phone number can identify geographic location, allowing region-specific promotions.

4. Enhancing Customer Profiles
Including phone numbers enriches customer profiles in Customer Relationship Management (CRM) systems, enabling personalized communication.

Phone Numbers as Personal Data: Privacy and Compliance
A phone number is also considered personal data dominican republic mobile phone number list under various data protection laws worldwide, such as the GDPR (General Data Protection Regulation) in Europe and CCPA (California Consumer Privacy Act) in the United States. This means organizations must handle phone numbers with care to protect individuals’ privacy rights.

Key compliance points include:
Collecting phone numbers only with explicit consent.

Using phone numbers only for stated purposes.

Securing phone number data from unauthorized access.

Allowing individuals to access, correct, or delete their phone number data.

How Phone Numbers Are Stored in Databases
In a typical database, phone numbers are stored as text strings rather than numeric data. This is because phone numbers can contain special characters like plus signs (+), parentheses, hyphens, and spaces, which are meaningful in formatting but not numerical calculations.