Verizon MOD iPhones - Forward Number

Leave the phone plugged in.

Turn on the iPhone and use the provided PIN to unlock

Tap the Phone Icon

Foward ALL Calls

Call *72 + the 10-digit number that you want to forward your calls to without the 1- for example, *72-908-123-4567

Suggest you call the MOD phone and test that the designated MOD number rings, the MOD phone should not ring.

All calls  are now forwarded

Forward ONLY Unanswered Calls

Call *71+ the 10-digit number that you want to forward your calls to without the 1- for example, *72-908-123-4567

Suggest you call the MOD phone and verify the phone rings and then transfers to the intended number when unanswered. 

Unanswered calls will now be forwarded.

Turn Off Call Forwarding

Call *73. You should hear a confirmation tone or message. It may sound like a busy signal, but that's OK. It still means your Call Forwarding has been turned off.

https://www.verizon.com/articles/call-forwarding-everything-you-need-to-know/