HarmonyOS 元服务中获取位置\(经纬度\)后如何获取城市名称和电话区号?

async getLocation() {
  const requestInfo: geoLocationManager.LocationRequest = {
    'priority': geoLocationManager.LocationRequestPriority.FIRST_FIX,
    'scenario': geoLocationManager.LocationRequestScenario.UNSET,
    'timeInterval': 1,
    'distanceInterval': 0,
    'maxAccuracy': 0
  }
}
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