Data SIM Cards in Devizes
Data-only SIM cards in Devizes from £4/month on Three's 5G network. Ideal for tablets, dongles, MiFi and routers.
Silux Mobile delivers data SIMs to Devizes and all of Wiltshire free by Royal Mail Tracked 48. Pure data, no calls or texts to pay for — on Three's 5G/4G network, on a 30-day rolling plan or a 3 to 24-month contract.
Why Devizes Chooses Silux Data SIMs
Delivered to Devizes
Free Royal Mail Tracked 48 delivery (2–3 working days) anywhere in the UK including Devizes and Wiltshire.
Three 5G in Devizes
Our SIMs use Three's 5G/4G network with strong coverage across Devizes 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
Data SIM Plans — Delivered to Devizes
Data-only SIMs on Three 5G. 30-day rolling or 3 to 24-month contracts.
Data Plus
30GB
£6/mo
- 30GB data
- Tablet & dongle ready
- 4G/5G
- 30-day or contract
Unlimited Data
Unlimited
£16/mo
- Unlimited data
- 5G speeds
- No throttling
- 30-day or contract
Three 5G Data Coverage in Devizes
Three's 5G/4G network covers Devizes and Wiltshire with strong signal for tablets, dongles and mobile routers. Over 99% UK population coverage.
Check Your Devizes PostcodeData SIM Cards in Devizes — FAQs
What happens if I go over the fair usage policy in Devizes?
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 data SIM in Devizes?
Silux Mobile offers some of the cheapest data SIMs available in Devizes — 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 Wiltshire.
Does Three have good coverage in Devizes?
Yes. Three's 4G and 5G network covers Devizes and the surrounding Wiltshire 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 Devizes?
Yes. Silux Mobile delivers to all Devizes 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 Devizes is the price you keep.
Do you run a credit check in Devizes?
No. There are no credit checks on our SIM contracts, so anyone in Devizes can join regardless of credit history.
Are prices in Devizes inclusive of VAT?
Yes. No hidden fees — every price shown to customers in Devizes is the price you pay, incl. VAT. No setup fees and no price increases.