What is China 400?

400 telephone is a shared service between the calling party and the called party, that is, the calling party bears the local telephone access fee and the called party bears all the incoming call answering fees. At present, it is widely used in multi-industry pre-sales and after-sales service consultation.

The telephone number starting with 400 is not the area code of a place, but a toll-free telephone number, which is generally used by large enterprises and institutions as foreign service.

400 is the calling and called shared payment intelligent service access code, and the total length of the number is 10. There is a charge for making 400 calls, including local calls and long-distance calls. And 800 is completely paid by the called party, including both long-distance telephone charges and local telephone charges.

Interception measures

1. 1232 1 A special reporting channel has been opened on the website of the center for reporting bad network and spam. Users can fill in the "harassing phone number" in the column of "reporting harassing phone calls", and indicate the harassment form and call time. Such information will be handled by relevant departments in coordination.

2. At the same time, you can also report through 1232 1 website, APP, official WeChat account and other channels. For numbers that send spam messages in violation of regulations, operators will take punishment measures such as stopping, blacklisting and stopping the SMS function.