Data SIM Cards in Durham
Data-only SIM cards in Durham from £4/month on Three's 5G network. Ideal for tablets, dongles, MiFi and routers.
Silux Mobile delivers data SIMs to Durham and all of County Durham by next-day Royal Mail. Pure data, no calls or texts to pay for — on Three's 5G/4G network with no contract.
Why Durham Chooses Silux Data SIMs
Delivered to Durham
Free next-day Royal Mail delivery anywhere in the UK including Durham and County Durham.
Three 5G in Durham
Our SIMs use Three's 5G/4G network with strong coverage across Durham and surrounding areas.
From £5/Month
Cheaper than Lebara, Giffgaff and SMARTY — with 5G and Go Roam included at no extra cost.
No Contract
30-day rolling plans. Cancel anytime — no exit fees, no minimum term.
The Silux Mobile Promise
No price increases
Your price is locked — no price rises during your contract, ever
Free upgrades
Upgrade your plan or SIM for free, any time
No credit checks
No credit checks on our SIM contracts
No hidden fees
No setup fees, no exit fees — cancel any time
Data SIM Plans — Delivered to Durham
Data-only SIMs on Three 5G. No contracts.
Three 5G Data Coverage in Durham
Three's 5G/4G network covers Durham and County Durham with strong signal for tablets, dongles and mobile routers. Over 99% UK population coverage.
Check Your Durham PostcodeData SIM Cards in Durham — FAQs
What is the cheapest data SIM in Durham?
Silux Mobile offers some of the cheapest data SIMs available in Durham — from £5/month on Three's 5G network, with no contract and free next-day delivery to County Durham.
Does Three have good coverage in Durham?
Yes. Three's 4G and 5G network covers Durham and the surrounding County Durham area with strong indoor and outdoor signal. Check your exact postcode at siluxmobile.co.uk/network-coverage.
Can I get a data SIM delivered to Durham?
Yes. Silux Mobile delivers to all Durham addresses via Royal Mail next-day delivery. Order before 3pm for next-day dispatch.
Will my price increase mid-contract?
No. Silux Mobile never raises your price mid-contract — no annual or inflation-linked rises. The price you sign up at in Durham is the price you keep.
Do you run a credit check in Durham?
No. There are no credit checks on our SIM contracts, so anyone in Durham can join regardless of credit history.
Are prices in Durham inclusive of VAT?
Yes. No hidden fees — every price shown to customers in Durham is the price you pay, incl. VAT. No setup fees and no exit fees.