SIM Only Deals in Ballymena
SIM only deals in Ballymena from £5/month on Three's 5G — including unlimited data plans.
Silux Mobile is a SIM only provider in Ballymena. Big data, unlimited calls and Go Roam across Antrim — all on Three's 5G/4G network, on 30-day rolling plans or 3 to 24-month contracts, with no credit check.
Why Ballymena Chooses Silux SIM Only
Delivered to Ballymena
Free Royal Mail Tracked 48 delivery (2–3 working days) anywhere in the UK including Ballymena and Antrim.
Three 5G in Ballymena
Our SIMs use Three's 5G/4G network with strong coverage across Ballymena and surrounding areas.
From £5/Month
Cheaper than Lebara, Giffgaff and SMARTY — with 5G included. Roaming is an extra cost and varies by package.
Flexible Plans
Every plan starts from 1 month — SIM cards on 30-day rolling plans or 3 to 24-month contracts, and rolling monthly broadband.
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 hidden fees, no price increases
SIM Only Deals — Delivered to Ballymena
On Three 5G. 30-day rolling or 3 to 24-month contracts.
Calls + Data
Unlimited calls
£8/mo
- 30GB data
- Unlimited calls & texts
- 4G/5G
- 30-day or contract
Unlimited
Unlimited
£18/mo
- Unlimited data
- Unlimited calls & texts
- 5G
- Roaming extra — varies by package
Three 5G Coverage in Ballymena
Three's 5G/4G network covers Ballymena and Antrim with strong signal across the area — over 99% UK population coverage.
Check Your Ballymena PostcodeSIM Only Deals in Ballymena — FAQs
What happens if I go over the fair usage policy in Ballymena?
It depends on the network. As of August 2026, Three is more flexible and lenient with its fair usage policy, and it is rare that we need to warn customers. Vodafone and O2 are much stricter: if you go over more than twice, you will be notified to monitor your usage.
What is the cheapest SIM only deal in Ballymena?
Silux Mobile offers some of the cheapest SIM only deals available in Ballymena — from £5/month on Three, Vodafone, EE and O2, on a 30-day rolling plan or a 3 to 24-month contract, with free Royal Mail Tracked 48 delivery to Antrim.
Does Three have good coverage in Ballymena?
Yes. Three's 4G and 5G network covers Ballymena 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 only deal delivered to Ballymena?
Yes. Silux Mobile delivers to all Ballymena addresses free by Royal Mail Tracked 48 (2–3 working days). Faster delivery can be chosen at checkout.
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 Ballymena is the price you keep.
Do you run a credit check in Ballymena?
No. There are no credit checks on our SIM contracts, so anyone in Ballymena can join regardless of credit history.
Are prices in Ballymena inclusive of VAT?
Yes. No hidden fees — every price shown to customers in Ballymena is the price you pay, incl. VAT. No setup fees and no price increases.