Yes, AT and T does offer wireless phone service in a bundling package. You can get phone through a landline, cable TV, or wireless phone services in one bundle.
All phone companies offer this service. It is not expensive for the service offered, although one might find it to be outside the standard price of individual payment.
Go to these sites and enter your phone number to find out what ISPs serve your area: http://reviews.cnet.com/internet-access/ AND http://cable.theispguide.com/ Once you have a list of providers, you can determine which ones offer phone service and bundling.
If you have Verizon landline, then yes they offer cell phone internet service.
Some features you might look for when purchasing a new residential phone service are if they offer unlimited long distance to the USA. You may also ask about discounts for bundling services such as phone and internet together.
Bundling services does not require that you partake of all the options. Many households today do not have home phone service. You can certainly subscribe to cable TV and Internet access with phone service included.
You will find that most internet service providers also offer phone and some even offer cable TV service. You choices are endless on getting internet phone service.
From personal experience it seems that CenturyLink, which used to be Quest, offers the cheapest internet service. The best price is gotten by bundling internet service with your home phone line.
Many companies are offering to bundle services to get all of your business and hopefully save you some money. AT &T offers bundling as well as Time Warner Cable.
Your local phone company and cable service are likely to offer internet service.
Comcast offers a better rate on internet and phone service
Many telecommunications companies offer a discount when customers bundle phone and internet service together. Companies that offer this service include Charter Communications and Comcast.