Growing up, I remember one phone in my house. It remained that way until I was about ten or eleven. This phone was hung from the wall in the kitchen, and had a rotary dial. Most of the phones back then were like this, though some sat on a table rather than hung from the wall. This phone was something that came from the phone company, and then was returned once you terminated service with that company. Home phones have come a long way since then, and I am pretty sure you can no longer borrow them from your service provider.
Though some have opted out of having home phones all together, and completely rely on their smartphones, most homes still have them. You may use their cell phones most of the time, but you want your home phones there for emergencies. If you are just one day late with your mobile phone payment, you can get shut off instantly. That is not exactly something that makes me want to rely on my mobile phone for all uses, and many others feel the same way as I do about that situation. Having a landline is great for moments that you can not see coming.
You will find that most people now have more than one phone in their home, and they have them in the strangest places. I have seen home phones in bathrooms, which is something I totally do not understand. However, each person has their own reasons for where they put their phones, and that is entirely their business. Home phones are found in many rooms, and some like to be sure they have one within easy walking distance no matter where they are in the house at the moment a call comes in.
When you are choosing your home phones today, you have so many more options. Rotary phones are never found in stores today, so that is not something you have to worry about. However, you do have to think about features like built in caller ID, and if you want something that you can use as a hands-free phone in your home. Most come with both of these options today, but you do have to be sure. Also consider some sets that allow you to have a cordless unit in many places throughout the house without having to buy as many different phone units. This can save you money and can ensure your system works well.