AT&T Coverage Near Southwest Harbor, ME 04679 — 9 Towers
Mixed — AT&T coverage in Southwest Harbor, ME 04679 is usable but uneven.
AT&T Coverage Stats
AT&T Tower Mix Near Southwest Harbor, ME 04679
How AT&T Compares Near Southwest Harbor, ME 04679
Side-by-side: AT&T vs. other carriers at this location, ranked by signal strength.
About AT&T Coverage Near Southwest Harbor, ME 04679
Mixed — AT&T coverage in Southwest Harbor, ME 04679 is usable but uneven. Our analysis uses FCC cell tower registrations plus crowdsourced OpenCellID signal measurements to estimate AT&T coverage at this location. Within 5 miles of Southwest Harbor, ME 04679, we found 9 AT&T cell towers — the closest is just 0.34 mi away.
Signal strength is calculated using Free-Space Path Loss (FSPL) combined with FCC-registered effective radiated power (ERP). The strongest AT&T tower near Southwest Harbor, ME 04679 produces an estimated -43.8 dBm at ground level. Low-band frequencies (600–850 MHz) penetrate walls best for indoor coverage.
Mid-band 5G is available from AT&T near Southwest Harbor, ME 04679. True high-band 5G is not yet widely deployed in this area.