| Verizon | 10430 Cooper Rd | only one bar, or no service. Voice or data. | 2015 |
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| Sprint | 6703 1400 E St | No service from this point almost 15 miles to the south on Wyanet Walnut / LaPrairie Road. | 2019 |
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| AT&T | 115 S Depot St | No AT&T data service in Altona, so no internet and no apps that require location (such as maps). | 2015 |
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| AT&T | 1601 18th Street | Silvis Walmart just started to offer AT&T contract phones but rarely gets enough signal to perform the actual activation in store. | 2014 |
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| Verizon | 120 W Prospect St | It's a complete dead zone where we live and quite frankly it's getting on our last nerve, as we use so much data because of it or go over our data limit | 2015 |
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