800 number /ˌeɪtˈhʌndrəd-/ noun plural 800 numbers
plural 800 numbers
Learner's definition of 800 NUMBER
[count] US
: a telephone number that people can use to call a distant place (such as a business) for free（在美国免费向企业拨打的）800电话号码 ◊ In the U.S. 800 numbers usually have 800 as an area code.在美国，800电话号码通常以800作为地区代码。