Free · no card to start

Free UK number porting for UK businesses

Silux Call ports your existing UK landline (via STAC) or mobile (via PAC) number for free on the Plus plan and above, typically completing within 24 hours with no loss of calls.

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What you get free

Free UK landline and mobile porting on Plus+
Keep your existing business number(s)
Typical 24-hour cut-over
Run old and new lines in parallel during migration
Full porting workflow built into the dashboard

How the free offer works

Free porting is included from the Plus plan (£11.95/user/mo). On lower tiers a one-off porting fee (typically £0–£30) may apply, depending on the range.

Also searched as

UK buyers look for this under many names — Silux Call covers all of them: free number porting, free number porting uk, free number transfer, port my number free, free landline porting, keep my number free voip.

FAQs — Free UK number porting

Is free uk number porting really free?

Silux Call ports your existing UK landline (via STAC) or mobile (via PAC) number for free on the Plus plan and above, typically completing within 24 hours with no loss of calls. Free porting is included from the Plus plan (£11.95/user/mo). On lower tiers a one-off porting fee (typically £0–£30) may apply, depending on the range.

What do I get for free?

Free UK landline and mobile porting on Plus+; Keep your existing business number(s); Typical 24-hour cut-over; Run old and new lines in parallel during migration; Full porting workflow built into the dashboard.

Do I need a credit card to start?

No. You can start the Silux Call free seat and free trials without a card. You only add payment details if you choose to upgrade to a paid plan.

Is it ready for the 2027 PSTN switch-off?

Yes. Silux Call runs entirely over IP, so it is unaffected by the 31 January 2027 PSTN switch-off — and every account includes a free WLR2 migration audit.

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