> Fetch clean Markdown by appending `.md` to any page URL under https://signalwire.com/docs or requesting it with the HTTP header `Accept: text/markdown`. The root index at https://signalwire.com/docs/llms.txt lists the available documentation indexes.

# Lookup

> Phone Number Lookup namespace.

Phone Number Lookup namespace.

## **Methods**

#### [phoneNumber](/docs/server-sdks/reference/typescript/rest/lookup/phone-number)

Look up a phone number.

## **Example**

```typescript {4}
import { RestClient } from "@signalwire/sdk";

const client = new RestClient();
const result = await client.lookup.phoneNumber('+15551234567');
```

> Phone Number Lookup namespace.

## Docs

- [phoneNumber](https://signalwire.com/docs/server-sdks/reference/typescript/rest/lookup/phone-number.md): Phone Number Lookup namespace.