Q1
Best network for CA9?
Three leads with 100/100 — driven by 100% 5G and 100% 4G in this rural part of Carlisle.
CA9 DISTRICT · NORTHUMBERLAND
Best mobile network in Kirkoswald CA9 · Northumberland
EE, O2, Three and Vodafone score between 99 and 100 out of 100 in CA9 — no network wins here on coverage. 100% 5G-grade · 100% 4G. Ofcom Mobile Coverage data (May 2025), measured across 51 addresses in 6 sampled postcodes.
The CA9 district covers Kirkoswald, Alston Moor, Knaresdale with Kirkhaugh and Alston, in Northumberland. Signal varies street by street — scan your exact postcode below.
RESULT · CA9 · CARLISLE
Coverage for CA9 district
✓ ALL FOUR MEASURE THE SAME
All four networks
100/100
Ofcom measures all four networks within 1 point in the CA9 district, so coverage is not the thing to choose on here. Compare price and contract length instead.
Full ranking — CA9
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Three
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EE
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O2
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Vodafone
Coverage analysis — CA9
No network wins Carlisle on coverage. All four are within 1 point of each other in Ofcom's measurements, across 51 addresses sampled in 6 postcodes. On a difference that small, EE, O2, Three and Vodafone will all work here — so choose on price, contract length and roaming, not on a coverage map. Coverage only becomes the deciding factor once you leave built-up areas, and it still varies street by street indoors: check your own postcode below to see the measurement for your address rather than for Carlisle as a whole.
Ranked by Ofcom's overall score: Three 100, EE 99, O2 99, Vodafone 99. The spread between best and worst is 1 point, which is inside the margin where a coverage figure stops being a useful tiebreak. Ofcom's data describes outdoor signal across sampled addresses; it cannot tell you how any of them behave inside your own building.
Why Three for CA9?
Three's 5G rollout in Carlisle is among the strongest nationally, covering 100% of premises in the CA9 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 CA9 is EE at 99/100 (100% 5G / 100% 4G). It is a close contest — both operators deliver strong coverage in CA9, and your choice may come down to tariff, handset preference, or existing contract.
Choosing a network in Kirkoswald
Every network reaches Kirkoswald, Alston Moor, Knaresdale with Kirkhaugh and Alston to the same standard in Ofcom's data (within 1 point), so coverage cannot pick one for you here — price and contract length can. Compare what each is charging, then check the exact street you live on before you commit, because indoor signal still varies where the area figures match.
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 Carlisle area
View full coverage analysis for the Carlisle (CA) area, or enter any UK postcode in the scanner above for a personalised result.
Coverage FAQ — CA9
Q2
Is 5G available in CA9?
Three provides excellent 5G coverage at 100%. EE 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 O2 worth considering?
O2 scores 99/100 in CA9 (100% 5G, 100% 4G). It may suit certain tariff or price preferences despite trailing the top two.