---
title: "Find a specific phone number"
method: GET
path: "/v1/projects/{projectId}/phoneNumbers/{phoneNumber}"
tags: ["Phone Numbers"]
---

# Find a specific phone number

`GET /v1/projects/{projectId}/phoneNumbers/{phoneNumber}`

## Request

- Base URL: `https://elastic-trunking.api.sinch.com`
- URL: `https://elastic-trunking.api.sinch.com/v1/projects/{projectId}/phoneNumbers/{phoneNumber}`
- Auth: one of:
  - HTTP basic
  - OAuth 2
    - Client credentials
    - Token URL: `https://auth.sinch.com/oauth2/token`

Search for an Elastic SIP Trunk-enabled phone number by the e.164 number.

## Response `200`

A successful response.

- Number: A Sinch phone number assigned to a SIP trunk. This must be a number you own and configured for Elastic SIP Trunking.
  - `id` string: The ID of the phone number.
  - `sipTrunkId` string: The ID of the SIP trunk to which the phone number is assigned.
  - `phoneNumber` string: A phone number in [E.164](https://community.sinch.com/t5/Glossary/E-164/ta-p/7537) format, including the leading '+'.
  - `countryCode` string: The country code of the phone number in ISO 3166-1 alpha-2 format.
  - `createTime` string, date-time: The date and time that the number was assigned to the SIP trunk.
  - `updateTime` string, date-time: The date and time that the phone number was last modified.

## Changes

- **2026-10-01** `108d6bcb3948`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/sinch/apis/elastic-sip-trunk-api/changes/v1/projects/:projectId/phoneNumbers/:phoneNumber/get.md)

---

[API](https://skmtc.dev/sinch/apis/elastic-sip-trunk-api.md) - [All operations](https://skmtc.dev/sinch/apis/elastic-sip-trunk-api/llms.txt) - [OpenAPI document](https://skmtc.dev/sinch/apis/elastic-sip-trunk-api/revisions/8f15a650c7cd?raw)