Data SIM Cards in Coleraine
Data-only SIM cards in Coleraine from £4/month on Three's 5G network. Ideal for tablets, dongles, MiFi and routers.
Silux Mobile delivers data SIMs to Coleraine and all of Londonderry by next-day Royal Mail. Pure data, no calls or texts to pay for — on Three's 5G/4G network with no contract.
Why Coleraine Chooses Silux Data SIMs
Delivered to Coleraine
Free next-day Royal Mail delivery anywhere in the UK including Coleraine and Londonderry.
Three 5G in Coleraine
Our SIMs use Three's 5G/4G network with strong coverage across Coleraine 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 Coleraine
Data-only SIMs on Three 5G. No contracts.
Three 5G Data Coverage in Coleraine
Three's 5G/4G network covers Coleraine and Londonderry with strong signal for tablets, dongles and mobile routers. Over 99% UK population coverage.
Check Your Coleraine PostcodeData SIM Cards in Coleraine — FAQs
What is the cheapest data SIM in Coleraine?
Silux Mobile offers some of the cheapest data SIMs available in Coleraine — from £5/month on Three's 5G network, with no contract and free next-day delivery to Londonderry.
Does Three have good coverage in Coleraine?
Yes. Three's 4G and 5G network covers Coleraine and the surrounding Londonderry 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 Coleraine?
Yes. Silux Mobile delivers to all Coleraine 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 Coleraine is the price you keep.
Do you run a credit check in Coleraine?
No. There are no credit checks on our SIM contracts, so anyone in Coleraine can join regardless of credit history.
Are prices in Coleraine inclusive of VAT?
Yes. No hidden fees — every price shown to customers in Coleraine is the price you pay, incl. VAT. No setup fees and no exit fees.