el prefijo - prefix; dialing code, such as an area code in the United States, that is placed before a telephone number, usually to indicate what region or city the telephone is located inSpanish example: En castellano, generalmente los prefijos tienen origen latino o griego.
English example: In Spanish, prefixes generally have Latin or Greek origin.
Source: el prefijo - prefix; dialing code, such as an area code in the United States, that is placed before a telephone number, usually to indicate what region or city the telephone is located in (https://www.123teachme.com/spanish_feeds/word_of_the_day/2021/8/11)