There is a one-time MDN change fee of $15, except on the following scenarios:
-Changes performed by Account Owner or Single Point of Contacts (SPOCs) via My Verizon or My Business or the Interactive Voice Response (IVR) system
-Harassment, Spamming, MDN change made in error by VZW, Customer relocation, Port-In Telephone Number Change (TNC) and for a few more reasons