code: function obtainInfo(action, id, cb) {
      request.post({
          url: action,
          form: {
              shippingNumber: id
          },
          timeout: 10000
      }, function (error, response, body) {
          if (error || response.statusCode != 200) {
              cb(utils.errorDown())
              return
          }
  
          // Not found
          if (body.indexOf('errorMessage') != -1) {
              cb(utils.errorNoData())
              return
          }
  
          let entity = null
          try {
              entity = createCorreosEntity(body)
              entity.retries = response.attempts
          } catch (error) {
              return cb(utils.errorParser(id, error.message))
          }
  
          cb(null, entity)
      })
  }
docs: Get info from correos page
  
  @param action
  @param id
  @param postalcode
  @param cb