in the UK, a telephone number beginning with 0800 that is free to use and is usually for calling business services. The company you are calling pays for the call.
Synonyms and related words
Telephone numbers
000
0800 number
0845 number
0800 number
noun countable
US /ˌoʊ eɪt ˈhʌndrəd ˌnʌmbər/
Word Forms
singular
0800 number
plural
0800 numbers
DEFINITIONS1
1
in the U.K., a telephone number beginning with 0800 that is free to use and is usually for calling business services. The company you are calling pays for the call.