If you use your mobile phone to call landlines on a regular basis you might want to check out the various SIM only unlimited landline call plans. These SIM only contracts offer unlimited calls to landlines from your mobile handset as well as offering extra benefits such as free Internet, free texts and free minutes to other mobile phone networks.
Most of the major mobile phone companies in the UK offer unlimited landline calls as part of their range of SIM only deals and below you will find a comparison table containing all of the free landline SIM only contracts available which you can filter based on price, contract length or features.
| Network Operator | Package Name | Contract Duration | Included Minutes | Included Texts | Added Extras | Monthly Cost | More Info |
|---|---|---|---|---|---|---|---|
 |
O2 Simplicity £21.00 | 12 months | unlimited | unlimited | 1GB data + 1 month early upgrade | £21.00 | see deal |
 |
Vodafone Red SIM Only | 12 months | unlimited | unlimited | 1GB Internet + 750MB UK Wi-Fi access | £20.50 | see deal |
|
£26 Vodafone SIM Only | 12 months | unlimited | unlimited | 2GB Internet + 750MB UK Wi-Fi access | £26.00 | see deal |
|
O2 Simplicity £26.00 | 12 months | unlimited | unlimited | 2GB data + 1 month early upgrade | £26.00 | see deal |
 |
The Full Monty | 12 months | Unlimited | Unlimited | Unlimited Internet | £21.00 | see deal |
Please note that some SIM only unlimited landline call tariffs are subject to a fair use policy so be sure to check the small print of your contract.