Complaints about Phone Numbers800-963-####

Woman asked for my neighbor’s name, which is weird since there’s no reason they’d have my number and his name connected. I asked how they had my number listed as him, and she said I am listed as a “known contact” of his and wanted his number from me. I said I didn’t have it. Said she was calling from Coastal Inc

Called back and the lady said they're "Professional Inc" and wanted to speak to my ex-husband! They call constantly and I've asked them repeatedly to stop calling me! They say they'll remove me but don't! I've even blocked them on my phone and they still call using other numbers!