SIM Only Deals in Southport
SIM only deals in Southport from £5/month on Three's 5G — including unlimited data plans.
Silux Mobile is a SIM only provider in Southport. Big data, unlimited calls and Go Roam across Merseyside — all on Three's 5G/4G network, on 30-day rolling plans or 3 to 24-month contracts, with no credit check.
Why Southport Chooses Silux SIM Only
Delivered to Southport
Free Royal Mail Tracked 48 delivery (2–3 working days) anywhere in the UK including Southport and Merseyside.
Three 5G in Southport
Our SIMs use Three's 5G/4G network with strong coverage across Southport 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 Southport
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 Southport
Three's 5G/4G network covers Southport and Merseyside with strong signal across the area — over 99% UK population coverage.
Check Your Southport PostcodeSIM Only Deals in Southport — FAQs
What happens if I go over the fair usage policy in Southport?
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 Southport?
Silux Mobile offers some of the cheapest SIM only deals available in Southport — 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 Merseyside.
Does Three have good coverage in Southport?
Yes. Three's 4G and 5G network covers Southport and the surrounding Merseyside 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 Southport?
Yes. Silux Mobile delivers to all Southport 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 Southport is the price you keep.
Do you run a credit check in Southport?
No. There are no credit checks on our SIM contracts, so anyone in Southport can join regardless of credit history.
Are prices in Southport inclusive of VAT?
Yes. No hidden fees — every price shown to customers in Southport is the price you pay, incl. VAT. No setup fees and no price increases.