800 number
noun /ˌeɪt ˈhʌndrəd nʌmbə(r)/
/ˌeɪt ˈhʌndrəd nʌmbər/
- a phone number, in the US and some other countries, beginning with 800, or with some other numbers starting with 8 such as 888, which can be called free of charge. These numbers are provided by companies so that customers can phone them to order their products, etc. In the UK such free numbers begin with 0800 or 0808.