0898 number
noun [ C ] uk/ˌəʊ.eɪtˈnaɪn.eɪt ˌnʌm.bər/ us/ˌoʊ.eɪtˈnaɪn.eɪt ˌnʌm.bɚ/
（英国的）0898号码（由提供电话聊天之类服务的公司开通的以0898开头的高收费电话号码）
in the UK, an expensive phone number that begins with 0898 that is provided by companies offering services such as chatlines