AT&T Coverage Near San Mateo, CA 94404 — 144 Towers
Yes — AT&T is well-served in San Mateo, CA 94404.
AT&T Coverage Stats
AT&T Tower Mix Near San Mateo, CA 94404
How AT&T Compares Near San Mateo, CA 94404
Side-by-side: AT&T vs. other carriers at this location, ranked by signal strength.
About AT&T Coverage Near San Mateo, CA 94404
Yes — AT&T is well-served in San Mateo, CA 94404. Our analysis uses FCC cell tower registrations plus crowdsourced OpenCellID signal measurements to estimate AT&T coverage at this location. Within 5 miles of San Mateo, CA 94404, we found 144 AT&T cell towers — the closest is just 0.52 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 San Mateo, CA 94404 produces an estimated -47.4 dBm at ground level. Low-band frequencies (600–850 MHz) penetrate walls best for indoor coverage.
5G service from AT&T is actively deployed near San Mateo, CA 94404 — 1 high-band towers deliver fast 5G speeds in the area.