4G LTE & 5G Coverage In Lake Arrowhead

The table below shows the proportion of Lake Arrowhead with coverage from different cellular technologies.

Network	4G Coverage	5G Coverage
AT&T	100%	94%
T-Mobile	93%	87%
Verizon	100%	83%
Dish	0%	17%

Don't be alarmed by Dish's lack of 4G coverage in Lake Arrowhead. Dish has a newly-built network that's 5G-only.

US Cellular And Dish Roaming Coverage

US Cellular does not have native coverage in Lake Arrowhead. However, some US Cellular subscribers may still have coverage in Lake Arrowhead thanks to roaming agreements.

The 17% figure for Dish may understate what subscribers in Lake Arrowhead experience after accounting for roaming agreements.

Lake Arrowhead Cell Signal Strength

There are 422 map hexes within the census-defined boundaries of Lake Arrowhead. The table below shows the proportion of hexes at various levels of signal strength. Where both 4G and 5G coverage is available, data is drawn from whichever technology offers a stronger signal.

Network	Strong	Decent	Weak	None
AT&T	30%	53%	18%	0%
T-Mobile	4%	64%	25%	7%
Verizon	22%	53%	25%	0%
Dish	0%	2%	15%	83%

For most purposes, decent signals are perfectly sufficient. Weak or non-existent signals cause far greater degradation in user experience.

Crowdsourced Coverage Data In Lake Arrowhead

Coverage Critic has 297 crowdsourced data points from 58 map hexes within the boundaries of Lake Arrowhead. Data is available for AT&T, T-Mobile, and Verizon.

Network	Unique Hexes	Total Observations
AT&T	36	148
T-Mobile	28	98
Verizon	6	51

Click here to toggle to the map's crowdsourced data layer.

California State-Wide Coverage Scores

Network	Coverage Score
Verizon	8.8 / 10
AT&T	8.6 / 10
T-Mobile	8.2 / 10

Data Sourcing

Coverage maps draw on data from the FCC's Broadband Data Collection and Coverage Critic's crowdsourcing.

The coverage information for Lake Arrowhead is rated as medium-high confidence. Documentation is available elsewhere covering limitations of Coverage Critic's approach.