800 toll-free numbers800 toll-free numbers are commonly called "800 免费电话". The official name is "被叫集中付费业务" (called party collect paid service), which means the cost of the call is borne not by the caller but by the party receiving the call. 800 toll-free numbers in China are ten-digit numbers beginning with "800". There is no prefix before "800".
800 toll-free numbers are not accessible to some mobile network subscribers.
400 toll-free numbers400 service is called "主被叫分摊付费业务" (calling party and called party split-paid service), which means the calling party pays for the local access fee and the called party pays the toll (long distance) fee.
400 toll-free numbers in China are ten-digit numbers beginning with "400". 400 toll-free numbers can be accessed by all fixed-line and mobile phones. Callers have to bear local access charges from their service providers.
Differences between 800 and 400 numbers in China
Calling a 800 number is free of charge, except when calling from mobile phones, in which case local call charges apply. Calling a 400 number incurs local access charge.
800 numbers are accessible to land-line and some mobile network subscribers, while 400 numbers are accessible to all land-line and mobile users.