---
title: "Assign an Inbound Processing Region to a phone number."
method: POST
path: "/v3/PhoneNumbers/{phoneNumber}"
tags: ["RoutesV3PhoneNumber"]
---

# Assign an Inbound Processing Region to a phone number.

`POST /v3/PhoneNumbers/{phoneNumber}`

Assign an Inbound Processing Region to a phone number.

## Path parameters

- `phoneNumber` string, required

## Response `200`

OK

- RoutesV3PhoneNumber
  - `phoneNumber` string, nullable — The phone number in E.164 format
  - `url` string, uri, nullable — The absolute URL of the resource.
  - `accountSid` string, nullable — The unique SID identifier of the Account.
  - `friendlyName` string, nullable — A human readable description of the Inbound Processing Region assignments for this phone number, up to 64 characters.
  - `voiceRegion` string, nullable — The Inbound Processing Region used for this phone number for voice.
  - `messagingRegion` string, nullable — The Inbound Processing Region used for this phone number for messaging.
  - `dateCreated` string, date-time, nullable — The date that this phone number was assigned an Inbound Processing Region, given in ISO 8601 format.
  - `dateUpdated` string, date-time, nullable — The date that the Inbound Processing Region was updated for this phone number, given in ISO 8601 format.

---

[API](https://skmtc.dev/twilio/apis/routes-v2.md) · [All operations](https://skmtc.dev/twilio/apis/routes-v2/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/twilio/routes-v2/revisions/8d4532439fae/schema)