AT&T Worldnet primarily offers internet services that do not necessarily require a traditional phone line for access. Depending on the specific type of service you choose, such as DSL or fiber, a phone line may or may not be involved. For DSL service, a phone line is typically used to deliver internet connectivity, whereas fiber service can provide internet access without the need for a phone line.
It is important to keep in mind that the availability of these options may vary based on your location. Therefore, it may be useful to review the specific plans and services that AT&T Worldnet provides for your area. For individuals interested in subscribing, checking the official AT&T website may reveal the most accurate and up-to-date information regarding service requirements, including whether a phone line is necessary for your preferred internet package.