Does AT&T have POTS (Plain Old Telephone Service)?

Yes, AT&T still provides POTS.. I have a no frills landline for under $10 a month.. (However, that is a Measured Rate plan.) If you have a high volume of calls, you would want a different plan.. I also do not have an assigned Long Distance carrier, since that is free on my cell phone, and would be a wasted monthly charge on my landline bill.. I can still receive long distance calls of course..

Plain Old Telephone Service

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AT&T offers POTS service but only if you live in an AT&T serving area. POTS(Plain Old Telephone Service) is available from all regular telephone service providers(Verizon, Century Link, Sprint, etc.

AT&T offers POTS service but only if you live in an AT&T serving area. POTS(Plain Old Telephone Service) is available from all regular telephone service providers(Verizon, Century Link, Sprint, etc.

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I started in the Air Force in 1966. I started with Ma Bell in 1970. My peers claim that I am a Master, but they are wrong. You could read many books on how modems work. Basically you have digital signals, voltage on/off, in the serial side of the modem; and analog signals, tones, on the Line side of the modem. I started with 110 baud teletype, 300 baud, 1200 bit, 2400 bit, 9600 blah blah. From two tones, to few, many, with phase jitter giving more bits per baud. That was 400-3600 hz voice band. ADSL is still just a modem, just the same, except that it is past the voice band, and over 50,000 times faster. It is not possible to give you a well detailed description in a message. It would be more like a semester, maybe a full year.

at&t still does POTS service in areas where they are the RBOC - so if they are the incumbent carrier in your area then you can get POTS service with them... if they do not own the outside plant in your area then NO... they got out of the residential CLEC business several years ago and no longer offer local calling in areas where they do not own the outside plant... in those cases you would need to get service from whoever the local phone provider is (verizon, qwest, frontier, or whoever) or find a CLEC that operates in your state.

Yes, they do. However, depending on what area you are in it may or may not be offered, you will have to call AT&T and see what kinds of coverage they offer in your location.