netnumber
Real-time phone number intelligence for carriers, enterprises, and CSPs.
netnumber Powers Secure, Intelligent Communications Through Phone Number Data
Products & Services
netnumber delivers real-time phone number intelligence services across fraud prevention, digital identity, and number data, built for carriers, messaging providers, CSPs, and enterprises operating at scale.
Number Intelligence Data Services
- netnumber Services Registry® (nnSR®): Authoritative routing registry powering accurate SMS and MMS delivery across North America.
- Carrier ID: Real-time global number lookup and portability data across 100+ countries in a standardized format.
- Number Check: Phone validation with reachability scoring to establish communications trust before sending.
- Number Risk: Real-time scam probability assessment for North American phone numbers to reduce exposure.
- Dynamic DNO: Real-time do-not-originate screening for voice and messaging to support FCC compliance.
- Guaranteed Caller: STIR/SHAKEN certification that protects recipients from CLI spoofing attempts.
Fraud Prevention & Digital Identity
- Fraud Prevention Registry: Consortium-based registry for identifying and reporting communications fraud across networks.
- Number Verification: Silent mobile network operator authentication that verifies users without friction.
- SIM Swap Detection: Flags recent device changes tied to a phone number to block account takeover attempts.
- KYC Matching: Matches identity elements against mobile subscription data to establish user trust.
Number Monitoring & Protection
- Number Watch: Continuous monitoring that alerts when a phone number changes network operators.
- Number Lock: Prevents unauthorized text-enablement of non-mobile numbers to reduce brand impersonation.
- Number View: Identifies the most recent network operator change with a timestamp for routing accuracy.
- Number Name: Associates a name with a phone number for display on the receiving device.
About netnumber
netnumber gives telecom operators, messaging providers, and enterprises the phone number intelligence they need to route communications accurately, verify identities, and stop fraud before it starts. Headquartered in Boston and operating for over two decades, the company has built one of the world's largest telecom registries and serves a global customer base that includes top carriers, fraud protection vendors, and messaging and voice service providers.
The netnumber Services Registry® (nnSR®) is a critical piece of North American messaging infrastructure, making accurate SMS and MMS routing possible across the ecosystem. Beyond routing, netnumber delivers real-time Number Intelligence as a Service (NIaaS), covering number portability, SIM swap detection, KYC matching, and scam probability scoring, through modern REST APIs that integrate across carrier and enterprise environments.
netnumber's mission is to equip every telecom operator and enterprise with phone number intelligence that streamlines operations, reduces costs, and combats fraud at scale.