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Will I need a second phone line for AT&T High Speed Internet?

Learn about a second phone line with AT&T High Speed Internet.


About a second phone line for AT&T High Speed Internet

AT&T will either provide High Speed Internet service on your existing phone line, or install an additional data line into your home. In either case, you will be able to use your existing phone line for your voice calls and keep your same telephone number.
Last updated: April 2, 2017

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