Poor network coverage in yellowwood Park Durb

I have started experiencing network related problems when I’m at home from last week. I am a vodacom subscriber with more than one contract. It’s so frustrating that none of my numbers work when I’m at home. My domestic worker uses one of my numbers, and I have not been able to call her when I’m at work and she hasn’t been to call me either. The most frustrating thing is when I call any of my numbers, I go through to voicemail yet both phones are in front of me. My router can’t connect to to 3g or 4g anymore, instead it’s on Edge. I have to get out of the house if I want to make a call, or I must switch my phone of a couple of times and keep trying . I can’t even call 111 or 135 and can’t do *111# either. I have called vodacom customer care twice already and they said they are not aware of any problems in my area, yellowwood Park in Durban. I’d would say it’s my phone that has a problem, but it works when I’m not at home, also all 6 numbers not working is also strange. . So what am I supposed to do exactly, my numbers are on contract , and I have always been with vodacom, so switching networks is not ideal for me. Vodacom is the biggest in South Africa yet people on telkom mobile don’t have problems in my area, yet telkom is notorious for poor coverage. Will vodacom look into this or I’m just too small for vodacom to care?