He can file in the future only if he can prove that visitation would be in the child's best interests. There would need to be new evidence to permit a visitation hearing. A suspension would be difficult to change without good reason to grant it.
So long as he is still living in the city where he plans to file, you don't need to live in that city. There would need to be some address where you can be served the paperwork for him to be able to file. You can keep your own address confidential, but an address for service of process would be necessary such as a family member of maybe even a p.o. box, you would need to ask the local court clerk as to what is acceptable.
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