Q1
Best network for PH4?
Three leads with 100/100 — driven by 100% 5G and 100% 4G in this rural part of Perth.
PH4 DISTRICT · PERTH AND KINROSS
Best mobile network in Strathallan PH4 · Perth and Kinross
Three scores 100/100 — the best measured network for PH4 in Perth, 8 points clear of the weakest. 100% 5G-grade · 100% 4G. Ofcom Mobile Coverage data (May 2025), measured across 108 addresses in 5 sampled postcodes.
The PH4 district covers Strathallan, in Perth and Kinross. Signal varies street by street — scan your exact postcode below.
RESULT · PH4 · PERTH
Coverage for PH4 district
★ BEST MEASURED
Three
100/100
Three has the strongest measured coverage for the PH4 district in Perth, 8 points clear of the weakest network in Ofcom's data.
Full ranking — PH4
#1
Three
#2
O2
#3
Vodafone
#4
EE
Coverage analysis — PH4
Drawing on Ofcom's sampled address-level coverage, Three is the clear winner in Perth. In this rural area, Three achieves an overall coverage score of 100/100 — driven by excellent 5G coverage (100%) and rock-solid 4G at 100%. 5G and 4G scores are closely matched, reflecting a mature, stable network.
Three noticeably leads O2 by 5 points overall. While O2 reaches 100% on 5G and 100% on 4G in Perth, it falls short of Three's combined performance across all bands. Vodafone and EE round out the field at 93 and 92 respectively.
In rural areas like Perth, 4G reliability often matters more than 5G availability. Three scores 100% on 4G here, making it the most dependable choice for voice calls and data in areas where 5G infrastructure is still limited.
Why Three for PH4?
Three's 5G rollout in Perth is among the strongest nationally, covering 100% of premises in the PH4 district. For anyone streaming video, gaming on mobile, or relying on a mobile hotspot at home, this level of 5G penetration makes a real difference to day-to-day speed.
The runner-up in PH4 is O2 at 95/100 (100% 5G / 100% 4G). The margin is noticeable but not enormous. Three edges ahead on 5G depth; if your plan is with O2, 4G performance should still be solid.
Switching to Three in Strathallan
Three has the strongest measured signal here — 100/100, with 100% 5G-grade and 100% 4G coverage across Strathallan, 8 points clear of the weakest. A cheaper plan on a network that does not reach your street costs more than it saves, so start from the coverage and pick the plan second.
Some links on this page are affiliate links. If you switch through one we may be paid a commission. It never changes which network we rank first - that comes from Ofcom coverage data alone.
Explore the Perth area
View full coverage analysis for the Perth (PH) area, or enter any UK postcode in the scanner above for a personalised result.
Coverage FAQ — PH4
Q2
Is 5G available in PH4?
Three provides excellent 5G coverage at 100%. O2 follows at 100%.
Q3
Which network has the best 4G?
Three leads 4G too at 100%. Reliable 4G is critical in rural areas where 5G hasn't yet rolled out fully.
Q4
Is Vodafone worth considering?
Vodafone scores 93/100 in PH4 (100% 5G, 100% 4G). It may suit certain tariff or price preferences despite trailing the top two.