---
title: "Cancels an operation by its id."
method: DELETE
path: "/phoneNumbers/operations/{operationId}"
tags: ["Long running operations"]
---

# Cancels an operation by its id.

`DELETE /phoneNumbers/operations/{operationId}`

## Path parameters

- `operationId` string, required

## Query parameters

- `api-version` string, required

## Response `204`

No Content

## Other responses

- `default` — Failure

---

[API](https://skmtc.dev/azure/apis/communication-phonenumbers.md) · [All operations](https://skmtc.dev/azure/apis/communication-phonenumbers/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/azure/communication-phonenumbers/revisions/6e81b3741aa7/schema)