SIM Only Plans in Worthing
SIM only plans in Worthing from £5/month on Three's 5G — data-only, unlimited and multi-network options.
Silux Mobile is a SIM only provider serving Worthing and all of West Sussex. Every SIM runs on Three's 5G/4G network with no contract, no credit check and free next-day delivery.
Why Worthing Chooses Silux Mobile
Delivered to Worthing
Free next-day Royal Mail delivery anywhere in the UK including Worthing and West Sussex.
Three 5G in Worthing
Our SIMs use Three's 5G/4G network with strong coverage across Worthing 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 Worthing
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 Worthing
Three's 5G/4G network covers Worthing and West Sussex with strong indoor and outdoor signal — over 99% UK population coverage.
Check Your Worthing PostcodeSIM Only in Worthing — FAQs
What is the cheapest SIM in Worthing?
Silux Mobile offers some of the cheapest SIMs available in Worthing — from £5/month on Three's 5G network, with no contract and free next-day delivery to West Sussex.
Does Three have good coverage in Worthing?
Yes. Three's 4G and 5G network covers Worthing and the surrounding West Sussex area with strong indoor and outdoor signal. Check your exact postcode at siluxmobile.co.uk/network-coverage.
Can I get a SIM delivered to Worthing?
Yes. Silux Mobile delivers to all Worthing 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 Worthing is the price you keep.
Do you run a credit check in Worthing?
No. There are no credit checks on our SIM contracts, so anyone in Worthing can join regardless of credit history.
Are prices in Worthing inclusive of VAT?
Yes. No hidden fees — every price shown to customers in Worthing is the price you pay, incl. VAT. No setup fees and no exit fees.