It shouldn't be a problem as you know the account info, usually if it's just an exchange all they may require is ID, but if you have a copy of the most recent bill that should suffice, although they rarely ask, because they will know if and when you install it.
He has to pick it up. You can only drop off equipments.
At Optimum anyone can return equipment no questions asked. But in order to pick up any equipment only the account holder can unless he calls and adds your name to the account.
Absolutely not you need your husband.
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