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Switched from Sprint to AT&T for one reason, the iPhone. Love the phone, detest the coverage! The lack of coverage in the Imperial Valley as a whole is rediculous. Should you go south of I-8, cell coverage automatically switches to Movistar and you are slapped with international rates... even though calls are made / receieved some 35 miles from Mexico! Had it not been for the capabilities of my phone (VOIP), I would have switched sooner. Once my contract is up, I'm jumping ship to another carrier. Text messaging is just as poor, I'll get messages upto ten minutes or more after they have been sent. I use the "Mark the Spot" app from AT&T on a daily basis just so that they know how poor their coverage is at multiple areas in this region (as well as spotty reception in Monterey, CA) One funny thing though, if you go to the AT&T store at the IV mall, you all of a sudden have full bars and "3G" coverage. Just don't expect that coverage in the parking lot or 1 / 2 a block down the road!

5 Bars and 3G. Download speeds were really fast, was able to stream Netflix movies with high quality video and no lag at all. I was really impressed. Finally 3G! (Too bad I don't live in this area).

I bought my iPhone 3GS at Best Buy here in Imperial Valley last year and I recall having a decent signal in this area. Now it's a complete dead spot for me and I always get the 'No Service' notification. Funny that AT&T is setting up their new store right across from Best Buy in this dead zone. Hopefully this means good things for our coverage in the valley and that 3G is coming. If you are thinking about signing up for service with AT&T, DON'T. As of right now, July 2010 their service is abysmal here. Sprint just brought 3G coverage to this area so AT&T needs to get with the program or they will have NO mobile customers left in the Imperial Valley. I recommend an HTC Evo (Sprint) or a Droid Incredible (Verizon) if you are looking for a good smartphone with good reception.

AT&T is a big joke in our area. No signals South of I-8 in El Centro, California. Some one need to slap AT&T CEO.

AT&T service in imperial valley is very poor. Some of us who purchased iPhone are stuck with lousy signal problems with AT&T. We complain to AT&T but no improvement in service. We create a new slogan for AT&T. Some times it works, some times it don't you are screwed with us if you bought iPhone

2-1 / 2 a bar all the time. this doesn't change for long outside. The max bars outside is 3 for around 3 sec, then phone completely looses signal for 5 minutes.

While staying at the Comfort Inn, I had to go outside to get 3 bars. I guess their signal doesn't penetrate walls very well there...

Service is really bad in El Centro, always getting dropped calls... ... This is so bad, leaving company and going with another

Imperial Ave from EC Hospital to Costco - "Emergency Calls Only". This is when I'm standing outside, clear day, no buildings in my way. This seems to also extend West to Austin Rd. sometimes(~20 sq miles). Service has been this way for past six months or so. Different phone doesn't help. Different time of the day doesn't help. Needless to say, I won't be renewing my contract. P.S. AT&T doesn't have 3G network in Imperial Valley yet.

Just want to let everyone know that cricket reception in El Centro,and Calexico,Ca,is very poor,besides can`t send or receive any text messages.which makes matters worse,so maybe I`ll go back to Boost mobile... they use Sprint towers and Sprint has better coverage in the imperial county... .