1, The full form of YP is Yellow Pages. It’s used on News & Entertainment ,Journals & Publications in Worldwide

Yellow Pages refers to a telephone directory of businesses, organized by category, rather than alphabetically by business name and in which advertising is sold. As the name suggests, such directories were originally printed on yellow paper, as opposed to white pages for non-commercial listings. The traditional term Yellow Pages is now also applied to online directories of businesses. The name and concept of “Yellow Pages” came about in 1883, when a printer in Cheyenne, Wyoming working on a regular telephone directory ran out of white paper and used yellow paper instead. In 1886 Reuben H. Donnelley created the first official yellow pages directory.

2, The full form of YP is Yorkshire Post. It’s used on News & Entertainment ,Journals & Publications in United Kingdom

The Yorkshire Post is a daily broadsheet newspaper, published in Leeds, West Yorkshire, England by Yorkshire Post Newspapers, a company owned by Johnston Press. The paper was founded in 1754, as the Leeds Intelligencer, making it one of Britain’s first daily newspapers.