The coverage map displays native (non-roaming) coverage in Dundalk. Estimated outdoor signal strength is shown. Indoor coverage may vary significantly depending on building construction.
Dundalk has 400 map hexes within its census-defined boundaries.
| Network | 4G Coverage | 5G Coverage |
|---|---|---|
| AT&T | 100% | 100% |
| T-Mobile | 100% | 100% |
| Verizon | 99% | 99% |
Note: Census-defined boundaries may not align with the commonly understood boundaries of Dundalk. Additionally, network operators sometimes make different modeling decisions (e.g. whether to report coverage over bodies of water) that can lead to spurious differences in coverage percentages.
Coverage data for Dundalk 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.