The coverage map shows the signal strength of native (non-roaming) coverage in Eureka.
Eureka has 406 map hexes within its boundaries.
| Network | 4G Coverage | 5G Coverage |
|---|---|---|
| AT&T | 97% | 95% |
| T-Mobile | 98% | 100% |
| Verizon | 100% | 34% |
| US Cellular | 96% | 63% |
Coverage data for Eureka comes from the FCC's Broadband Data Collection program and is supplemented with crowdsourced measurements. The current FCC data comes from the November 2025 release and represents coverage as of June 2025. New FCC data comes out about every six months.