T-Mobile is good on most commercial intersections on Chicago's southeast side 60617. Once you hit a series of side streets, the reception fades to a constant 1% signal strength.

Constantly dropping calls, sometimes 3 times in 15 minutes. I just left the company.

3G is spotty at best, phone service is horrible. Don't even try making a call inside a building. Or near a building. Two tin cans connected by a string will give you better voice service than AT&T. WiFi works great - okay so why do I pay over $100 a month to AT&T? I won't be for long! The new iPhone can't come soon enough. Buh-bye.

At the ground level, calls and texts work flawlessly and data is consistently 1.5Mbps and above with very low latency (in case you're not tech literate, this is very good). In my apartment (over 30 floors up), however, calls often drop. Texts do work no matter what though. Data is a crap shoot up high but that doesn't affect me since I have WiFi. I can say though that no matter where I am in the city (high up, in a basement, or anywhere inbetween) I do not miss calls and I definitely have no trouble texting. There are no "No Service" areas like I used to constantly experience with AT&T.

Lots of dropped calls, spotty reception in my apartment.

Horrible reception, drops calls at least 3 or 4 times per day and T Mobile customer support sucks. Spend hours on the phone waiting and when you get there... .not ready to do anything but sell you something. Run!

AT&T 's wirless signal is atrocious here, and is actually getting substantially worse. Regularly experience no bars at all for hours at a time rendering the phone completly useless at my residence. Will pick up a five bar signal if I leave the area, but it will drop back to three bars at best (usually one or two) when I come home. Starting to drop calls very frequently. Getting worse, not better. Out now for going on five hours. Will switch carriers after five years if not up by tomorrow.

AT&T service for both my iPhone and iPad suck. Consistently. Going to switch to Verizon.

The LTE signal strength in an area more or less limited to the property of my apartment building is lower than surrounding areas. I verified this with Verizon's LTE coverage map. It literally shows the listed intersection as a lower strength signal than all the surrounding area. My LTE data speeds are usually 6-8Mbps down and about half of that up. I can go just a few blocks and the signal strength is much better. I often get 12-15Mbps down and sometimes 20+Mbps. Good thing I have wifi while I am at home.

I've been amazed at how great the service is in west Lake View. full bars and reception has been perfect. 3G speeds are great too, averaging around 3.50 mbps. Rock on.

Poor LTE reception. Poor 3g reception. Barely any 1x reception. I've observed this with Sprint, Verizon, AT&T and to a slightly lesser extent Tmobile. I've observed this with different phones on each carrier. The are needs a new tower or an upgrade.

Poor reception if or when you can get it.

Horrible, horrible, horrible reception after 7:30-8:00 a.m. each day. I'm unable to receive texts, there are dropped calls, god forbid you should want to access the internet. It's unacceptable and a joke that we have to pay a premium price for such lousy service. I've been an early adapter of most of Apple's products and service but cannot understand why they are in bed together. I've been anxiously awaiting the iPhone 5 but am now seriously rethinking a droid or equivalent.

AT&T reception has suddenly gotten worse than ever. I can't get a signal in condo or on the street. I can't even send text. AT&T doesn't care. They blame Apple and Apple blames AT&T

It went from Average reception (July 2010 - May 2011) to Horrible / Poor reception lately. I can no longer receive or make calls regardless of the number of bars. ATT needs to fix this pronto.

Try to figure out the best cell phone service provider in Chicago. The answers is probably like this; all providers are very simillar to each other depend the hours of the day, location, than you have maybe good reception or not. For home or work usage: land line are the best. Cell phones like a highways no difference. andemarketing.

Same story as the rest.. In the past few weeks the signal is either non existent or very poor and many dropped calls and EMERGENCY ONLY service etc. even around the city many dropped calls and FAILED CALLS.. I am going begin a class action lawsuit.. AT&T won't let you off the contract and think they have no obligation to provide basic service WE NEED TO STAT TAKING A STAND and do something.. (and they want to merge with TMOBILE? OMG!

Visiting Chicago from Tulsa, OK... really surprised how spastic the signal is. Just like another user reported, I can stare at my phone and watch the signal jump around from edge to 3G and no service to full bars several times a minute. Haven't been able to have one call without digitized voice and dropping the call since I arrived downtown. Terrible! So glad I don't have this problem at home or I would be switching carriers.

Reception went from poor to horrible about six weeks ago. I cannot make calls (call fails), and if I receive one, I can't hear and the call quickly drops. Something happened recently. My wife has the same phone and is experiencing the same issues.

Miserable reception - often none at all.