Lock your old number before it gets recycled.
Stay protected with a simple annual plan that keeps your unused SIM active. No contracts, no chasing top-ups.
Instant quote
Keep your old number protected
Number recycling is faster than you think
Inactive numbers can be reassigned within months. The next owner could receive account recovery codes meant for you.
SMS is still the fallback
Banking, email, delivery, and marketplace accounts still rely on SMS for resets and security checks.
One missed update is enough
If even one account still has your old number, it becomes a weak point.
How it works
Three steps. Your number stays yours.
Step 1
Check your number
We identify the network and estimate the annual plan instantly.
Step 2
We keep it active
Scheduled top-ups keep the number chargeable so it stays yours.
Step 3
Stay in control
Cancel anytime. We send reminders before every renewal.
Why LockMyNumber
Simple protection for your unused SIM.
We monitor your number and keep it chargeable so it never drops into the recycle pool. You get reminders, clear pricing, and the freedom to cancel.
Coverage
Designed for UK networks, ready to expand.
We support all major UK carriers and MVNOs. Enter your number to confirm coverage and pricing.