Bainbridge Island, WA Cell Phone Coverage Map & Network Rankings (2026)

Don’t overpay for a network that struggles where you actually use your phone.

Using FCC mobile coverage data across Bainbridge Island, WA zip codes, this guide compares the top-performing networks and the cheapest plans that use them.



Cell phone coverage map for Bainbridge Island, WA

Zoom in for local detail. Tap or click a colored area to see coverage and signal details. On mobile, use two fingers to move the map.

Coverage Key
Less covered More covered
Darker areas mean the carrier covers more of that location.

Map data © OpenStreetMap contributors, © OpenMapTiles. Basemap by OpenFreeMap. Rendered with MapLibre. FCC BDC mobile coverage processed by CompareWirelessCarriers.

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Cell phone coverage rankings by network in Bainbridge Island, WA

#1

Verizon

Coverage Score 86.6
In Bainbridge Island, WA
Overall
99.9%
4G LTE
99.9% avg. -95 dBm 4G LTE signal where 4G LTE coverage exists: avg. -95 dBm
5G
97.8% avg. -99 dBm 5G signal where 5G coverage exists: avg. -99 dBm
Fast 5G
80.4% avg. -98 dBm Fast 5G signal where Fast 5G coverage exists: avg. -98 dBm
Kitsap County, WA covered 98.1%
#2

T-Mobile

Coverage Score 82.7
In Bainbridge Island, WA
Overall
92.0%
4G LTE
92.0% avg. -95 dBm 4G LTE signal where 4G LTE coverage exists: avg. -95 dBm
5G
83.6% avg. -92 dBm 5G signal where 5G coverage exists: avg. -92 dBm
Fast 5G
55.3% avg. -88 dBm Fast 5G signal where Fast 5G coverage exists: avg. -88 dBm
Kitsap County, WA covered 89.6%
#3

AT&T

Coverage Score 67.2
In Bainbridge Island, WA
Overall
91.5%
4G LTE
91.3% avg. -107 dBm 4G LTE signal where 4G LTE coverage exists: avg. -107 dBm
5G
79.5% avg. -113 dBm 5G signal where 5G coverage exists: avg. -113 dBm
Fast 5G
43.2% avg. -108 dBm Fast 5G signal where Fast 5G coverage exists: avg. -108 dBm
Kitsap County, WA covered 90.6%

County coverage is shown for surrounding-area context and uses land-area only coverage.

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Coverage by ZIP code in Bainbridge Island, WA

ZIP code areas can extend beyond city limits, so this table is best used for local comparison around the city.

ZIP CodeAT&TT-MobileVerizon
98110 91.5% 91.3% 79.5% 43.2% 92.0% 92.0% 83.6% 55.3% 99.9% 99.9% 97.8% 80.4%

About The Coverage Data

Coverage and signal estimates are derived by Compare Wireless Carriers from carrier-reported data in the FCC’s National Broadband Coverage Map, last updated in June 2026. “Percent covered” shows how much of the city or ZIP code area has a carrier signal, whether weak or strong. Signal bars show the estimated average signal strength in areas of Bainbridge Island, WA where that carrier has coverage.

If a carrier says you should have service but you do not, run a challenge test with the FCC Mobile Speed Test App. The FCC uses those results to check carrier-submitted coverage data and requires a carrier response when enough tests show a pattern of inaccurate coverage reporting.