---
title: "Get Single Phone Number Campaign"
method: GET
path: "/10dlc/phone_number_campaigns/{phoneNumber}"
tags: ["Phone Number Campaigns"]
---

# Get Single Phone Number Campaign

`GET /10dlc/phone_number_campaigns/{phoneNumber}`

## Request

- Base URL: `https://api.telnyx.com/v2`
- URL: `https://api.telnyx.com/v2/10dlc/phone_number_campaigns/{phoneNumber}`
- Auth: HTTP bearer

Retrieve an individual phone number/campaign assignment by `phoneNumber`.

## Path parameters

- `phoneNumber` string, required

## Response `200`

Successful Response

- PhoneNumberCampaign
  - `phoneNumber` string, required
  - `brandId` string: Brand ID. Empty if the number is associated to a shared campaign.
  - `tcrBrandId` string: TCR's alphanumeric ID for the brand.
  - `campaignId` string, required: For shared campaigns, this is the TCR campaign ID, otherwise it is the campaign ID
  - `tcrCampaignId` string: TCR's alphanumeric ID for the campaign.
  - `telnyxCampaignId` string: Campaign ID. Empty if the number is associated to a shared campaign.
  - `assignmentStatus` 'FAILED_ASSIGNMENT' | 'PENDING_ASSIGNMENT' | 'ASSIGNED' | 'PENDING_UNASSIGNMENT' | 'FAILED_UNASSIGNMENT': The assignment status of the number.
  - `tmobileNumberMappingStatus` string: The T-Mobile assignment status of the number.
  - `nonTmobileNumberMappingStatus` string: The assignment status of the number towards other carriers.
  - `failureReasons` string: Extra info about a failure to assign/unassign a number. Relevant only if the assignmentStatus is either FAILED_ASSIGNMENT or FAILED_UNASSIGNMENT
  - `createdAt` string, required
  - `updatedAt` string, required

## Other responses

- `4XX`: Generic response error

## Changes

- **2026-10-21** `67df31283a8a`: 1 breaking, 1 info
  - the `errors/items/code` response's property type changed from `integer` to `string`, and format from `int32` to no format for status `4XX`
  - added the optional property `errors/items/description` to the response with the `4XX` status
- **2026-10-15** `a72569d69430`: 1 breaking, 3 info
  - the `errors/items/code` response's property type changed from `string` to `integer`, and format from no format to `int32` for status `4XX`
  - added the optional property `errors/items/meta` to the response with the `4XX` status
  - added the optional property `nonTmobileNumberMappingStatus` to the response with the `200` status
  - added the optional property `tmobileNumberMappingStatus` to the response with the `200` status

[Operation history](https://skmtc.dev/team-telnyx/apis/telnyx-api/changes/10dlc/phone_number_campaigns/:phoneNumber/get.md)

---

[API](https://skmtc.dev/team-telnyx/apis/telnyx-api.md) - [All operations](https://skmtc.dev/team-telnyx/apis/telnyx-api/llms.txt) - [OpenAPI document](https://skmtc.dev/team-telnyx/apis/telnyx-api/revisions/0f17b8167873?raw)