SignalCheck.uk

Mobile Signal in LL55

Caernarfon, North Wales — Urban area

Best Network

Three

75

EE

good

Outdoor
96%
Indoor
82%
Voice
97%
No 5G Details →
Best Network

Three

good

Outdoor
99%
Indoor
85%
Voice
99%
No 5G Details →

O2

good

Outdoor
94%
Indoor
85%
Voice
91%
No 5G Details →

Vodafone

good

Outdoor
98%
Indoor
84%
Voice
99%
No 5G Details →

Side-by-Side Comparison

Metric EE Three O2 Vodafone
4G Outdoor 96% 99% 94% 98%
4G Indoor 82% 85% 85% 84%
Voice 97% 99% 91% 99%
5G No 5G No 5G No 5G No 5G
Overall good good good good
Score
73
75
72
74

Coverage Summary

Mobile signal in LL55 (Caernarfon) is rated good overall. Three leads with 99% outdoor 4G coverage and 85% indoor coverage. O2 offers the weakest coverage at 94% outdoor.

Nearby Areas

LL54

Caernarfon

Best: Vodafone

LL56

Y Felinheli

Best: Three

LL57

Bangor

Best: Three

Frequently Asked Questions

What is the best mobile network in LL55?
Three has the best overall coverage in LL55 (Caernarfon) with 99% outdoor 4G coverage and a score of 75/100.
Is there 5G in LL55?
5G is not yet available in LL55. All networks currently offer 4G coverage only.
How is indoor signal in LL55?
Indoor 4G coverage in LL55 ranges from 82% to 85%. Three leads with 85% indoor coverage.
Which network has the worst signal in LL55?
O2 has the weakest coverage in LL55 with a score of 72/100.

Get 5G Alerts for LL55 (Caernarfon)

We'll notify you when 5G coverage improves in your area.

All postcodes in Caernarfon · North Wales coverage · EE in LL55 · Three in LL55 · O2 in LL55 · Vodafone in LL55 ·