Once your two year contract is up call CS request a discount for going month to month. Please share.
If you are on the More Everything Plan, then yes you can add the Month2Month discount to those lines out of contract. You don't even need to call customer service at 1-800-922-0204 to get that discount. You can add yourself by signing into your MyVerizon account online and add the discount in the Change Features area of your account.