netnumber

TelecommunicationsMassachusetts, United States51-200 Employees

netnumber is a telecommunications company that has delivered phone number intelligence data and digital identity services for over two decades, serving networks globally. It provides real-time data services to support use cases such as user onboarding, text and voice engagements, ecosystem infrastructure, and fraud protection. The company offers a range of services including Fraud Prevention & Digital Identity tools (Fraud Prevention Registry, Silent Number Verification, SIM Swap Detection, KYC Matching), Number Intelligence products (nnSR, Carrier ID, Number Check, Number View, Number Risk, Calling Name, Guaranteed Caller), and Do-Not-Originate & Risk Management (Dynamic DNO, Number Risk, Number Lock, Number Watch). Netnumber is headquartered in Boston, Massachusetts, with a listed address of 225 Cedar Hill Street Suite 200, Marlborough, MA 01752, United States, and it employs 51-200 people. Recent activity includes leadership hires and partnerships, such as the addition of senior product management and business development executives in 2025–2026 and a collaboration with TwoFive, Inc announced in April 2026 to expand phone number intelligence services in Japan and Vietnam.

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