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