The private domain registration service Withheld for Privacy is available for almost all domains Namecheap offers. Due to registry restrictions, It cannot be used with .ca, .ch, .cn, .co.in, .co.uk, .com.au, .com.es, .com.sg, .de, .es, .eu, .fr, .gg, .id, .in, .is, .li, .me.uk, .net.au, .nl, .nom.es, .nu, .nyc, .org.es, .org.au, .org.uk, .paris, .sg, .to, .uk, .us, .vote, .voto, .xn–3ds443g domains.

https://www.namecheap.com/security/domain-privacy-service/