| AT&T | 600 W Main St | no service for one day!! 
Not good | 2019 | 
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| Sprint | 310 3rd Ave SE | Cant call are text | 2015 | 
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| T-Mobile | 1900 Dodge Rd NE | I have no T-mobile coverage anywhere in Cedar Rapids.  Phone (a T-Mobile 768 flip phone) says iWireless network.  The phone battery dies within 4-6 hours, as if it is straining for a signal.  The battery lasts 2-3 days when I'm in other cities.  In Cedar Rapids I can make outgoing calls, but half the time people try to call me the call is sent straight to voicemail.  When I receive texts the phone warns me that I'll have to pay international data roaming fee.  Even when I agree to the fee, the text does not download correctly.  Phone is basically useless in Cedar Rapids except for outgoing calls.  Phone works great outside of Iowa. | 2015 | 
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| Verizon | 1819 7th Ave SE | 3G data connection down | 2014 | 
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| AT&T | 1301 Scales Bend Rd NE | No signal at all.  Scales Pointe Camping, Scales Bend Road Northeast, North Liberty, IA, United States | 2019 | 
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