---
title: "Changes to Assign an E911 address to a phone number"
method: POST
path: "/api/relay/rest/phone_numbers/{id}/e911_address"
---

# Changes to Assign an E911 address to a phone number

`POST /api/relay/rest/phone_numbers/{id}/e911_address`

> Every recorded change to this operation, newest first.
> 173 revisions in range; 3 could not be searched.

## Timeline

Changed in 4 of 173 revisions.

- **2026-08-28** `09d6b41aff62`: 2 info
- **2026-08-27** `6a0a43b3e01e`: 1 info
- **2026-07-27** `dd526f1cd683`: 2 info
- **2026-07-24** `e9f0b2ed4396`: 1 info

## Changes

- **2026-08-28** `09d6b41aff62`: 2 info
  - api tag `E911 Addresses` added
  - api tag `Phone Numbers` removed
- **2026-08-27** `6a0a43b3e01e`: 1 info
  - added the required property `cnam` to the response with the `200` status
- **2026-07-27** `dd526f1cd683`: 2 info
  - added `#/components/schemas/PhoneNumberE911Status` to the `e911_status` response property `anyOf` list for the response status `200`
  - removed `subschema #1` from the `e911_status` response property `anyOf` list for the response status `200`
- **2026-07-24** `e9f0b2ed4396`: 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/signalwire/apis/signalwire-rest-api/docs/api/relay/rest/phone_numbers/:id/e911_address/post.md) - [API](https://skmtc.dev/signalwire/apis/signalwire-rest-api.md) - [Page](https://skmtc.dev/signalwire/apis/signalwire-rest-api/changes/api/relay/rest/phone_numbers/:id/e911_address/post)