American Tower: What the Company Does and How It Affects Your Phone Service
American Tower operates cell towers across the United States that carry signals for multiple wireless carriers
American Tower Corporation is a real estate company that owns and leases cell tower infrastructure. It does not provide phone service itself—instead, it owns the physical towers and equipment that wireless carriers like Verizon, AT&T, and T-Mobile use to transmit signals. When you make a call or use data on your phone, the signal often travels through an American Tower site before reaching the carrier's network.
The company owns roughly 40,000 towers in the United States, plus thousands more internationally. American Tower makes money by leasing space on these towers to carriers, which pay monthly fees to place their antennas and equipment there. Because multiple carriers often share the same tower, American Tower's business model depends on having many tenants on each site.
Understanding how American Tower fits into the mobile network can help explain why coverage varies by location, why some areas have better signal than others, and what happens when tower maintenance or upgrades occur in your area.
Key Takeaways
- American Tower owns cell towers but does not provide phone service—carriers lease space on the towers to transmit their signals.
- Multiple wireless carriers often share the same American Tower site, which is why you may see several antennas on a single tower.
- American Tower performs maintenance and upgrades on towers, which can temporarily affect signal strength in the area.
- If you have service problems, your carrier is responsible for addressing them, not American Tower—contact your wireless provider directly.
- American Tower's tower locations and coverage maps are not public, but your carrier's coverage map shows where their signals reach through American Tower and other tower operators.
How American Tower makes money from cell towers
American Tower generates revenue by leasing tower space to wireless carriers on long-term contracts, typically five to ten years. Each carrier pays a monthly fee for the right to place antennas, transmitters, and other equipment on the tower. The more carriers that share a single tower, the more revenue American Tower collects from that site.
The company also earns money from ancillary services—things like power supply, cooling systems, and fiber-optic connections that carriers need to operate their equipment on the tower. These services are often bundled into the lease agreement, so a carrier's total monthly cost covers both the space and the infrastructure that keeps the equipment running.
American Tower's business model depends on high occupancy rates. A tower with three carriers paying rent is more profitable than a tower with only one. This is why American Tower actively recruits new tenants and why towers in dense urban areas—where multiple carriers want to operate—are more valuable than towers in rural regions.
Why multiple carriers share the same tower
Wireless carriers do not each build their own separate network of towers everywhere. Instead, they lease space on towers owned by companies like American Tower, Crown Castle, and SBA Communications. Sharing tower infrastructure is more cost-effective than building duplicate networks, and it allows carriers to expand coverage faster.
When you see a tall tower with multiple antennas pointing in different directions, those antennas often belong to different carriers. Each carrier's antennas are tuned to their own frequency bands, so they can operate independently even though they share the same physical structure. This arrangement means that in most areas, you have access to multiple carriers' networks through a single tower site.
The shared-tower model also benefits consumers. If one carrier's equipment fails, the other carriers' signals may still work from that location. And because carriers compete to offer better coverage, they are motivated to lease space on towers in areas where customers live and work.
What happens when American Tower maintains or upgrades a tower
American Tower regularly performs maintenance on its towers—inspecting structural integrity, replacing aging equipment, and upgrading systems to support newer technology. During maintenance windows, the company may temporarily take equipment offline, which can cause brief signal interruptions for carriers using that tower.
Upgrades are more common than emergency repairs. American Tower may install new fiber-optic cables to increase data capacity, add backup power systems, or reinforce the tower structure. These upgrades can take hours or even days, depending on the scope of work. The company typically coordinates with all carriers on the tower to schedule maintenance during low-traffic periods, often late at night or early morning.
If you notice your signal dropping at a specific time each day or week, tower maintenance could be the cause. Your wireless carrier can tell you whether American Tower has scheduled work on nearby towers. If maintenance is planned, the disruption is usually temporary and resolves once the work is complete.
How to report signal problems to your carrier
If you experience poor signal, dropped calls, or slow data speeds, contact your wireless carrier directly—not American Tower. Your carrier is responsible for monitoring signal quality and investigating service problems. They have tools to test signal strength at your location and can determine whether the issue is with the tower, the carrier's equipment, or your phone.
When you contact your carrier, provide specific details: the location where you experience the problem, the time of day it occurs, and whether the issue affects calls, texts, data, or all three. If the problem is widespread in your area, the carrier may already be aware and working on a fix. If it is isolated to your location, the carrier may send a technician to investigate.
Your carrier can also tell you which towers serve your area and whether any maintenance is scheduled. If American Tower is performing work on a nearby tower, your carrier will know the timeline and can give you an estimate of when service should return to normal.
American Tower's role in 5G network expansion
As wireless carriers roll out 5G service, American Tower has become central to that expansion. 5G requires more towers than previous generations because the signals do not travel as far. Carriers are leasing additional space on American Tower sites and building new towers in areas where 5G coverage is needed.
American Tower has also upgraded many existing towers to support 5G equipment. This involves installing new antennas, adding fiber-optic connections, and sometimes reinforcing the tower structure to handle the additional weight. These upgrades take time and money, but they allow carriers to offer faster speeds and lower latency in areas served by American Tower infrastructure.
The expansion is ongoing. American Tower continues to acquire new tower sites and lease space to carriers as they expand 5G coverage. If you live in an area where 5G is rolling out, you may notice new antennas appearing on nearby towers or new towers being built—many of these are American Tower sites being upgraded or developed for 5G service.
How to learn about American Tower owns a tower near you
American Tower does not publish a public map of its tower locations. However, you can infer which towers in your area are operated by American Tower based on your carrier's coverage map and by looking at tower ownership information available through the Federal Communications Commission (FCC).
Your wireless carrier's coverage map shows where their signal reaches, but it does not identify which company owns each tower. If you want to know the specific owner of a tower you can see, you can search the FCC's database or contact your carrier's customer service. Some carriers provide this information if you ask about a specific location.
Another way to learn about American Tower's presence in your area is to check the company's investor relations website, which publishes quarterly reports listing the number of towers in each state and region. These reports do not pinpoint individual tower locations, but they show American Tower's overall footprint in your state.
Frequently Asked Questions
Does American Tower provide phone service?
No. American Tower owns the physical infrastructure—towers and equipment—but does not provide wireless service. Your phone service comes from a carrier like Verizon, AT&T, or T-Mobile, which leases space on American Tower's towers to transmit signals.
Why does my signal drop at the same time every day?
Scheduled maintenance on a nearby tower could cause temporary signal loss at specific times. Contact your wireless carrier to ask whether American Tower or another tower operator has maintenance scheduled in your area. Signal drops can also result from network congestion during peak hours or interference from weather and terrain.
Can I contact American Tower if I have service problems?
No. American Tower does not handle customer service for signal or service issues. Contact your wireless carrier instead. Your carrier is responsible for monitoring their equipment on American Tower's towers and investigating service problems on their network.
Does American Tower own all the cell towers in my area?
Unlikely. American Tower is the largest tower operator in the United States, but other companies like Crown Castle and SBA Communications also own towers. Most areas have towers from multiple operators. Your carrier leases space on towers from several companies to build their network.
What is American Tower doing to improve 5G coverage?
American Tower is upgrading existing towers with 5G-capable equipment and acquiring new tower sites in areas where carriers need 5G coverage. The company works with carriers to install new antennas and fiber connections that support faster speeds and lower latency. Upgrades are ongoing as carriers expand 5G service across the country.