| Sprint | 1104 N 5th St | One bar. Without Wi-Fi, there is no data service. So much for 'unlimited usage.' New phone. Very disappointing. When is the technology going to catch up? | 2014 |
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| AT&T | 7257 Wedel Cemetery Rd | For about the last 6-7 months, signal strength shown on iPhone has been '1-bar' when indoors, pretty much anywhere in the local area surrounding Heidenheimer, Tx. Long delays of several hours and longer are typical when sending/receiving SMS. Calls, incoming and out-going, are almost impossible, even on clear, sunny days, and usually go to the respective voice-mails without the voice-mail being received by the intended party. | 2015 |
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| T-Mobile | 307 Javelina Dr | Zero reception, poor all around town. Cannot call out from the HEB across Hwy 84, either. | 2015 |
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| T-Mobile | 5581 Kinne Rd | dead cell zone for T-Mobile, but not Tracfone | 2019 |
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| T-Mobile | 100 E Main St | Out of coverage area. Cannot make calls or send texts | 2019 |
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