SIM Only Plans in Lisburn
SIM only plans in Lisburn from £5/month on Three's 5G — data-only, unlimited and multi-network options.
Silux Mobile is a SIM only provider serving Lisburn and all of Antrim. Every SIM runs on Three's 5G/4G network with no contract, no credit check and free next-day delivery.
Why Lisburn Chooses Silux Mobile
Delivered to Lisburn
Free next-day Royal Mail delivery anywhere in the UK including Lisburn and Antrim.
Three 5G in Lisburn
Our SIMs use Three's 5G/4G network with strong coverage across Lisburn 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
SIM Only Plans — Delivered to Lisburn
On Three 5G. No contracts.
Calls + Data
Unlimited calls
£8/mo
- 30GB data
- Unlimited calls & texts
- 4G/5G
- No contract
Unlimited
Unlimited
£18/mo
- Unlimited data
- Unlimited calls & texts
- 5G
- Go Roam 71+ countries
Three 5G Coverage in Lisburn
Three's 5G/4G network covers Lisburn and Antrim with strong indoor and outdoor signal — over 99% UK population coverage.
Check Your Lisburn PostcodeSIM Only in Lisburn — FAQs
What is the cheapest SIM in Lisburn?
Silux Mobile offers some of the cheapest SIMs available in Lisburn — from £5/month on Three's 5G network, with no contract and free next-day delivery to Antrim.
Does Three have good coverage in Lisburn?
Yes. Three's 4G and 5G network covers Lisburn 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 SIM delivered to Lisburn?
Yes. Silux Mobile delivers to all Lisburn 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 Lisburn is the price you keep.
Do you run a credit check in Lisburn?
No. There are no credit checks on our SIM contracts, so anyone in Lisburn can join regardless of credit history.
Are prices in Lisburn inclusive of VAT?
Yes. No hidden fees — every price shown to customers in Lisburn is the price you pay, incl. VAT. No setup fees and no exit fees.