就目前来说，办理400电话可以选择去营业厅，也可以选择各大代理商，可能很多人觉得营业厅肯定更便宜，代理商毕竟是代理商，肯定更贵。代理商比营业厅是更便宜的，且代理商能提供多项增值服务，这个是营业厅提供不了的。
At present, you can choose to go to the business hall or choose various agents to handle 400 phone calls. Many people may think that the business hall must be cheaper. After all, agents are agents, which must be more expensive. Agents are cheaper than business hall, and agents can provide a number of value-added services, which is not provided by business hall.
号码的价格高低与号码本身相关，400电话号码分为ABCDE五类，号码类别的不同，价格也不同，C类号码最便宜，A类最贵，便宜的号码只需要几百块一年，贵一点的号码上万或者几十万不等，因此有需要申请的企业可以依据企业的实际情况，选择适合自己企业的号码。
The price of the number is related to the number itself. The 400 phone number is divided into five categories of ABCDE. The number categories are different, and the price is also different. The C-type number is the cheapest, the A-type number is the most expensive. The cheap number only costs several hundred yuan a year, and the more expensive number is tens of thousands or hundreds of thousands. Therefore, the enterprises that need to apply can choose the number suitable for their own enterprises according to the actual situation of the enterprises.