5. What is the expiration of MNP reservation number? March 12, 2024 08:19 Updated The MNP number valid date is around 14 days. Please use within the valid date. Related articles 6. Will the contract be canceled automatically after the MNP transfer procedure is completed? 4.When can I receive the MNP reservation number after requesting it? 3. What is the timing for applying MNP reservation number? 2. What is MNP reservation number? How to apply for? 7. Is it possible to issue MNP reservation number after the contract is terminated?