---
title: "Changes to Look up phone number"
method: GET
path: "/api/relay/rest/lookup/phone_number/{e164_number}"
---

# Changes to Look up phone number

`GET /api/relay/rest/lookup/phone_number/{e164_number}`

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

## Timeline

Changed in 1 of 173 revisions.

- **2026-09-09** `5c743456ec76`: 2 warning

## Changes

- **2026-09-09** `5c743456ec76`: 2 warning
  - removed the optional property `carrier/allOf[#/components/schemas/CarrierLookupInfo]/lrn` from the response with the `200` status
  - removed the optional property `carrier/allOf[#/components/schemas/CarrierLookupInfo]/spid` from the response with the `200` status

---

[Operation](https://skmtc.dev/signalwire/apis/signalwire-rest-api/docs/api/relay/rest/lookup/phone_number/:e164_number/get.md) - [API](https://skmtc.dev/signalwire/apis/signalwire-rest-api.md) - [Page](https://skmtc.dev/signalwire/apis/signalwire-rest-api/changes/api/relay/rest/lookup/phone_number/:e164_number/get)