AT&T is big daddy of telephone services over long distances. It is ranked #12th Forbes Global 2000 list.

Products and Services of AT&T are
Consumer Services -We all need a connection, it may be towards our family, friends or to our favorite music, photos, videos, Web sites and TV shows. This need shapes our business. And that's why AT&T gives its customers access to the broadest range of communications services available today. This is a big hit in Illinois
Small Business- Small businesses need cutting edge technology and a guidance of an expert to stay connected as they grow. There are no tried and tested formulas to run a business. At AT&T services are made flexible to meet communication needs. Providing safety and security solutions specially for the people of Illinois to protect small business stocks. AT&T offers solutions to small business unit also which are not able to invest too much in R&D and have minimum of IT support. Voice, messaging ,broadband Internet, wireless and advertising are our other expertise areas. Building on the heritage of serving small businesses for more than a century, AT&T continues to earn customer trust and loyalty with a commitment to integrity, reliable high-quality service, and excellent customer care.
Enterprise- AT&T caters to diverse organization such as regional business customers, global, national, midsize and also wholesale and government customers . 24/7 customer support is provided by AT&T .
Wholesale- In this segment comprehensive solutions that AT&T offer arises from robust global network blueprint and intensive domestic local network infrastructure. To grow a business one has to make all above resources very efficient and updated. People here are ready to face any kind of challenges because of large experience and infrastructure.
Local Search- The AT&T yellow pages provide unrelenting support to small and big business by providing them the precise solution they need . AT&T Local services give priceless information about products and services and gives rapid returns on their investments. This service has helped various section of Illinois population as they all have benefited from them.
If you want a new local phone service in Illinois then one doesn’t have to look further than AT&T LOCAL. AT&T is determined to help you communicate in a better way. You can choose over various services such as Wireless, Advanced TV, DSL, Internet Homophones and use them according to your needs.
Local Service can be divided into two sections. Firstly for your home and secondly for your business.
For Home
Local Voice Services

It consists of unlimited calling plans from home

Local Toll Service
It has comparatively low rates, with no monthly fees
For home Internet Services one can use AT&T Worldnet Service which has following features like Easy, fast, reliable internet access.
DSL Internet Service phone can be used to be online with very high speed internet access.
Specially Illinois customers can view products and services available to their small/medium business, but for that they have to provide them with some information. Like, one can enter their business phone number and if they don't have a business phone number, enter the zip code where customer would like to have new service.

City:	Chicago
State:	Illinois
Zip Code:	60651
County:	Cook
County Population:	5303683
Time Zone:	Central

Type:	Landline
Date of registration:	14/08/1998
Time:	09/14/2010 10:52:18 AM
Rate Center:	Chicgozn03
Switch CLLI:	CHCGILCLGMD
OCN:	16980