SignalCheck.uk

Mobile Signal in AL5

Harpenden, Hertfordshire — Urban area

Best Network

EE

good

Outdoor

99%

Indoor

87%

Voice

97%

No 5G Details →

Three

good

Outdoor

94%

Indoor

83%

Voice

94%

No 5G Details →

O2

good

Outdoor

97%

Indoor

85%

Voice

96%

No 5G Details →

Vodafone

good

Outdoor

96%

Indoor

83%

Voice

96%

No 5G Details →

Side-by-Side Comparison

Metric	EE	Three	O2	Vodafone
4G Outdoor	99%	94%	97%	96%
4G Indoor	87%	83%	85%	83%
Voice	97%	94%	96%	96%
5G	No 5G	No 5G	No 5G	No 5G
Overall	good	good	good	good
Score	75	72	74	73

Coverage Summary

Mobile signal in AL5 (Harpenden) is rated good overall. EE leads with 99% outdoor 4G coverage and 87% indoor coverage. Three offers the weakest coverage at 94% outdoor.

Nearby Areas

AL4

St Albans

Best: Vodafone

AL6

Welwyn

Best: EE

AL7

Welwyn Garden City

Best: Three

Frequently Asked Questions

What is the best mobile network in AL5?

EE has the best overall coverage in AL5 (Harpenden) with 99% outdoor 4G coverage and a score of 75/100.

Is there 5G in AL5?

5G is not yet available in AL5. All networks currently offer 4G coverage only.

How is indoor signal in AL5?

Indoor 4G coverage in AL5 ranges from 83% to 87%. EE leads with 87% indoor coverage.

Which network has the worst signal in AL5?

Three has the weakest coverage in AL5 with a score of 72/100.

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All postcodes in Harpenden · Hertfordshire coverage · EE in AL5 · Three in AL5 · O2 in AL5 · Vodafone in AL5 ·