To freeze your credit, contact each of the three credit bureaus — <equifax_link>Equifax</equifax_link>, <experian_link>Experian</experian_link>, and <transunion_link>TransUnion</transunion_link>.
I rewi'ch credyd, cysylltwch â phob un o'r tair canolfan gredyd — <equifax_link>Equifax</equifax_link>, <experian_link>Experian</experian_link>, a <transunion_link>TransUnion</transunion_link>.