GET /services/country/calling-code/{code}

{
  "calling_code": "+973",
  "countries": [
    {
      "code": "BH",
      "code3": "BHR",
      "name": "Bahrain",
      "official_name": "Kingdom of Bahrain",
      "native_name": { "ara": { "common": "\u0627\u0644\u0628\u062d\u0631\u064a\u0646", "official": "\u0645\u0645\u0644\u0643\u0629 \u0627\u0644\u0628\u062d\u0631\u064a\u0646" } },
      "flag": "\ud83c\udde7\ud83c\udded",
      "flag_url": "https://flagcdn.com/w320/bh.png",
      "capital": "Manama",
      "region": "Asia",
      "subregion": "Western Asia",
      "population": 1501635,
      "area_km2": 765,
      "currencies": [
        { "code": "BHD", "name": "Bahraini dinar", "symbol": ".د.ب" }
      ],
      "languages": { "ara": "Arabic" },
      "calling_code": "+973",
      "timezones": ["UTC+03:00"],
      "latlng": [26, 50.55],
      "borders": ["SAU"]
    }
  ],
  "total": 1
}