# netnumber

> netnumber provides phone number intelligence and registry services to carriers, messaging platforms, identity providers and enterprises. Its data helps route calls and messages, identify current carriers, validate numbers and assess identity and fraud signals. TNS announced its acquisition of the company on October 15, 2026.

- **Founded:** 1999
- **Headquarters:** Marlborough, United States
- **Founders:** Douglas Ranalli (Founder; former Chief Strategy Officer)
- **Products:** netnumber Services Registry (nnSR), Carrier ID, Number Check, Number View, Number Watch
- **Notable:** Launched nnSR in 2008 for a single MVNO and expanded it into shared North American messaging infrastructure., Company reports Carrier ID coverage across more than 240 countries and territories, including 117+ portability markets; service coverage differs from customer footprint., Launched the Fraud Prevention Registry with WMC Global in February 2025.

## Products & services

- **netnumber Services Registry (nnSR)** — Authoritative North American messaging registry; providers provision service routing and A2P campaign attributes through REST APIs.
- **Carrier ID** — Current serving carrier and line type intelligence using normalized global numbering, portability and network data.
- **Number Check** — Validates phone number status and reachability.
- **Number View** — Identifies the last change of network operator associated with a number.
- **Number Watch** — Monitors registered numbers for operator changes.
- **Number Verification** — Mobile operator sourced, SIM-based silent number authentication.
- **SIM Swap Detection** — Supplies recent SIM-change timing as a risk signal for account takeover prevention.
- **KYC Matching** — Compares supplied identity attributes with mobile subscription information and returns match signals.
- **Fraud Prevention Registry** — Consortium sharing of phone-number fraud intelligence, developed with WMC Global.
- **Dynamic DNO** — Dynamic do-not-originate number intelligence for call and text blocking.
- **RCS Routing** — Number-based routing intelligence for Rich Communication Services.
- **Guaranteed Caller** — Supports STIR/SHAKEN caller authentication.

## Achievements

- Launched nnSR in 2008 for a single MVNO and expanded it into shared North American messaging infrastructure.
- Company reports Carrier ID coverage across more than 240 countries and territories, including 117+ portability markets; service coverage differs from customer footprint.
- Launched the Fraud Prevention Registry with WMC Global in February 2025.
- Acquired by TNS in October 2026.

## Latest updates

- **2026-10** — TNS announced acquisition of netnumber on October 15; financial terms were not disclosed.
- **2026-10** — Kudosity partnership announced October 7 for enterprise messaging, routing, identity and fraud mitigation.
- **2026-02** — TMT ID and netnumber announced reciprocal fraud-signal integration on February 24.

## Links

- Website: https://netnumber.com
- LinkedIn: https://www.linkedin.com/company/netnumber/
- Twitter/X: https://twitter.com/NetNumber
- YouTube: https://www.youtube.com/@Netnumber
- Instagram: https://www.instagram.com/netnumber/
- Facebook: https://www.facebook.com/netnumber

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Profile page: https://yespress.io/netnumber
Published by YesPress — https://yespress.io
Last updated: 2026-10-16