# Numbers Online — phone number lookup & trust signals

> Free reverse phone-number lookup with a transparent, community-powered risk score.
> Businesses verify their numbers and publish a public profile; personal numbers stay
> private — only "verified & online" is ever shown. Every risk read is a supplementary,
> low-confidence signal — advisory, never a verdict.

## Corpus

- Numbers tracked: 3.1M+
- Verified profiles: 2
- Community reports: 7

## Look up a number

Lookup pages live at `https://numbers.online/lookup/{digits}` — E.164 digits with no "+"
(e.g. `https://numbers.online/lookup/18005551234`). Each page carries a 0–100 trust score,
community reports, third-party complaint-feed evidence, and carrier / line-type facts.

## Markdown mirrors (this format)

Every page below is also served as plain markdown — fetch the `/md/...` URL directly,
or request the canonical HTML URL with `Accept: text/markdown`:

- `https://numbers.online/md/lookup/{digits}` — per-number lookup: risk signal, reports, facts
- `https://numbers.online/md/browse` and `https://numbers.online/md/browse/{cc}` — reported numbers by country
- `https://numbers.online/md/reports` and `https://numbers.online/md/reports/{YYYY-MM}` — monthly phone-spam trend reports
- `https://numbers.online/md/docs/integrations` and `.../{slug}` — API integration guides

## More on the site

- Live recently-reported feed: https://numbers.online/recent
- Report a call: https://numbers.online/report · Verify your own number: https://numbers.online/verify
- B2B phone-intelligence API (CNAM, spam-risk, DNC scrub, MCP server): https://numbers.online/llms.txt

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Numbers Online — community-powered phone-number trust signals. Every figure on this
page is a supplementary, low-confidence signal — advisory, not a verdict on any number
or its owner.

- Canonical page (HTML): https://numbers.online/
- Report a call: https://numbers.online/report · Listed in error? Request removal: https://numbers.online/opt-out
- Machine guide to the phone-intelligence API: https://numbers.online/llms.txt · OpenAPI: https://numbers.online/api/spec