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