Does any company offer a DSL line without a telephone line first?
As a technical matter, you can get a DSL line without having regular phone service. A regular phone line in your home is called POTS – plain old telephone service – which traditionally meant a line with a dialtone. You want a “non-POTS DSL line” – i.e., a phone line w/o a dialtone. The person who says you need a phone line to get ADSL is wrong. I’ve had non-POTS ADSL for >6 years. ADSL is just one “flavor” of DSL and it is not dependent on a dialtone. Now that you know this is possible, you have to determine if it is available where you live. For commercial and regulatory reasons, this varies from market to market. If I were you, I would actually first ask the local phone company (and be prepared for a hard-sell against getting non-POTS DSL). You can also ask your state’s Public Utility (or Service) Commission which regulates the phone company since they usually know who is “reselling” the local phone lines (which, long story short, is what happens when someone other than the phone com