Some highly specialized agencies might run consent

[chandonarani55]

Leading Providers:
ZoomInfo: A market leader known for its extensive B2B database, robust features, and intent data. They provide a high volume of direct dials.
Cognism: Strong emphasis on compliant, high-quality B2B data, particularly for EMEA markets, with a focus on verified mobile numbers ("Diamond Data").
UpLead: Focuses on high data accuracy with real-time email and phone verification.
Apollo.io: Combines a large B2B database with sales engagement tools.
Lusha: Known for its user-friendly browser extension for finding B2B contact details.
B. For Consumer (B2C) Mobile Phone Numbers (Requires Explicit Consent):

These services are primarily about managing and leveraging your own collected customer data or working with highly specialized, consent-based lead generation.

Key Features (when building your own):
Opt-in Mechanisms: Tools for collecting consent (website forms, SMS opt-in keywords, in-store sign-ups).
Segmentation & Personalization: Tools to segment kenya phone number list consented audience based on demographics, purchase history, behavior, etc.
SMS Marketing Platforms: Services (e.g., Twilio, Mailchimp SMS, Klaviyo, Attentive) that allow you to send compliant SMS campaigns to your opted-in list.
Customer Data Platforms (CDPs): Systems that centralize customer data from various sources to build unified customer profiles for personalization and segmentation.
Legitimate Lead Generation for B2C Mobile (Niche):
-based lead generation campaigns on your behalf using compliant methods (e.g., running paid ads with clear opt-in forms for mobile numbers).
Never buy "consumer mobile lists" for marketing from untrustworthy sources, as they are almost certainly non-compliant.