Hathway — Harassing calls from different numbers from Hathaway customer service people

My Hathway account number: [protected]. I have shifted my house to a new location and lost hathway modem while shifting. But daily harassing calls and prank calls are coming from different mobile numbers of Hathaway customer service people to reactivate my account. Finally some executive told that I have to pay rs 2500 if have lost the modem. Its high time and I am ready to pay the fine amount to avoid those harassing call from hathway customer executives. pl send me the link or account number to which I have to pay the said amount.