The advice is in draft guidance on reducing unwanted pregnancies issued last week.
It aims to help young people access a full range of contraception methods, including long-acting reversible contraceptives. It mainly targets socially disadvantaged young people, such as teenage parents, young people living in areas with high levels of deprivation, minority ethnic groups and young offenders.
The guidance says PCTs should undertake evidence-based commissioning to provide contraception and sexual health services for young people at convenient and accessible locations.
It says all young men and women need to be aware of how to obtain free advance provision of emergency hormonal contraception.
NICE recommends that all young women who obtain emergency hormonal contraception should be offered clear information about, and referral to, contraception and sexual health services.
The draft guidance is available on the NICE website (www.nice.org.uk) and is open to consultation until 23 June. A final version is expected in October.