# List Areas

## GET Request

{% hint style="info" %}
<https://v1.api19.com/dids/ratecenters/list?key=yourkey>
{% endhint %}

Send us a GET/POST request with your key (in the URI as key or as http password)

We give you the City and Ratecenter so you can get human readable data (for instance ratecenter LSAN DA 01 is actually Los Angeles: 01 as the City.

Simply send us a GET/POST to the above URL to get an API response with the list of ratecenters, just pass state=\[abbreviated\_state].

{% tabs %}
{% tab title="Curl POST" %}

```php
curl -X POST https://v1.api19.com/dids/ratecenters/list \
 -d 'key=your-api-key'
```

{% endtab %}

{% tab title="Curl GET" %}

```
curl "https://v1.api19.com/dids/ratecenters/list?key=yourkey"
```

{% endtab %}

{% tab title="JSON Response" %}

```json
{
    "status": "ok",
    "data": [
        {
            "ratecenter": "DENVER",
            "city": "Denver",
            "state": "CO"
        },
        {
            "ratecenter": "DALLAS",
            "city": "Dallas",
            "state": "TX"
        }
    ]
}
```

{% endtab %}
{% endtabs %}


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://apidocs.api19.com/numbers-ordering/list-areas.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.