4G LTE & 5G Coverage In Sumner

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

Network	4G Coverage	5G Coverage
AT&T	100%	100%
T-Mobile	100%	98%
Verizon	100%	100%
Dish	0%	97%

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

US Cellular And Dish Roaming Coverage

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

Sumner Cell Signal Strength

There are 208 map hexes within the census-defined boundaries of Sumner. 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	7%	73%	20%	0%
T-Mobile	19%	77%	4%	0%
Verizon	72%	28%	0%	0%
Dish	3%	63%	31%	3%

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

Crowdsourced Coverage Data In Sumner

Coverage Critic has 1,223 crowdsourced data points from 70 map hexes within the boundaries of Sumner. Data is available for AT&T, T-Mobile, and Verizon.

Network	Unique Hexes	Total Observations
AT&T	55	377
T-Mobile	49	476
Verizon	55	363

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

Washington State-Wide Coverage Scores

Network	Coverage Score
Verizon	8.6 / 10
AT&T	8.6 / 10
T-Mobile	8.1 / 10

Data Sourcing

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

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