Sigurni, ali često nepotpuni jer ljudi masovno brišu svoje brojeve iz javnih evidencija.

| Method | Accuracy (Fixed) | Accuracy (Mobile) | Update Speed | Coverage | |--------|----------------|------------------|--------------|----------| | Printed White Pages | Low | None | Yearly | <40% | | National Online Imenik (e.g., Imenik.net) | High (95%+) | Low (<5% opt-in) | Weekly | 60-70% | | Social Media Search | Medium | Medium | Real-time | Varies | | Telecom API (e.g., 11888 query) | Very High (98%+) | Low | Daily | Same as national |