---
title: "Get phone number details"
method: GET
path: "/v3/numbers/lookup/{phoneNumber}"
tags: ["Numbers"]
---

# Get phone number details

`GET /v3/numbers/lookup/{phoneNumber}`

Retrieves detailed information about a phone number including carrier, line type, porting status, and VoIP detection. Uses the customer's messaging provider for rich data, with fallback to the internal index.

## Path parameters

- `phoneNumber` string, required

## Headers

- `x-profile-id` string, uuid

## Response `200`

Phone number details returned successfully

- SentDmServicesEndpointsCustomerAPIv3ResponsesApiResponseOfNumberLookupResultResponse — Standard API response envelope for all v3 endpoints
  - `success` boolean — Indicates whether the request was successful
  - `data` SentDmServicesEndpointsCustomerAPIv3ResponsesNumberLookupResultResponse
    - `phone_number` string
    - `is_valid` boolean
    - `carrier_name` string, nullable
    - `line_type` string, nullable
    - `country_code` string, nullable
    - `mobile_country_code` string, nullable
    - `mobile_network_code` string, nullable
    - `is_ported` boolean, nullable
    - `is_voip` boolean, nullable
  - `error` SentDmServicesEndpointsCustomerAPIv3ResponsesApiError — Error information
    - `code` string — Machine-readable error code (e.g., "RESOURCE_001")
    - `message` string — Human-readable error message
    - `details` object, nullable — Additional validation error details (field-level errors)
    - `doc_url` string, nullable — URL to documentation about this error
  - `meta` SentDmServicesEndpointsCustomerAPIv3ResponsesApiMeta — Request and response metadata
    - `request_id` string — Unique identifier for this request (for tracing and support)
    - `timestamp` string, date-time — Server timestamp when the response was generated
    - `version` string — API version used for this request

## Other responses

- `400` — Invalid request - Phone number is missing or invalid
- `401` — Unauthorized - Invalid or missing API credentials
- `403` — Forbidden
- `404` — Phone number not found in provider or internal index
- `500` — Internal server error - Contact support with request ID

---

[API](https://skmtc.net/sentdm/apis/sent-dm-api-v3.md) · [All operations](https://skmtc.net/sentdm/apis/sent-dm-api-v3/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/sentdm/sent-dm-api-v3/revisions/c451eca46f1b/schema)