号码归属地及运营商查询

1、精准查询归属地、运营商 支持全国境内手机号码、固话号码查询归属地、运营商信息，准确度高。归属地已按照省份、城市区分，如是直辖市，有字段区分，方便调用后的数据加工。 2、支持携号转网信息 支持携号转网号码的识别，返回当前实际运营商信息，并有是否携转标记。 3、查询效率高 采用多级缓存技术，单个号码的响应速度平均在50ms以下（在网络环境较好的情况下测试结果）。

1. Accurate Location and Carrier Query: Supports querying the location and carrier information for mobile and landline numbers across mainland China with high accuracy. The results categorize locations by province and city, with dedicated fields for municipalities directly under the Central Government to facilitate post-invocation data processing. 2. Mobile Number Portability (MNP) Support: Enables identification of numbers that have undergone MNP, returns their current actual carrier information, and includes a portability status flag. 3. High Query Efficiency: Adopts multi-level caching technology, with an average response time of less than 50ms per single number query, tested under favorable network conditions.