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.

All 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 table containing all of the free landline sim only contracts available which you can filter based on price, contract length or features.

Unlimited landline calls are available for as low as £10 per month on T-Mobile. When coupled with the fact that T-Mobile offers this on a 30 day sim only contract, it is easy to see the fantastic value this represents as well as the flexibility of the contract.

Network Operator	Package Name	Contract Duration	Included Minutes	Included Texts	Added Extras	Monthly Cost	More Info
	O2 Simplicity 15 SIM Only	30 days	300	unlimited	unlimited landline calls	£15.00	see deal
	O2 Simplicity 20 SIM Only	30 days	600	unlimited	unlimited landline calls	£20.00	see deal
	O2 Simplicity 20 SIM Only	30 days	300	unlimited	unlimited landline calls	£20.00	see deal
	O2 Simplicity 25 SIM Only	30 days	900	unlimited	unlimited landline calls	£25.00	see deal
	O2 Simplicity 25 SIM Only	30 days	600	unlimited	unlimited landline calls	£25.00	see deal
	O2 Simplicity 30 SIM Only	30 days	900	unlimited	unlimited landline calls	£30.00	see deal
	O2 Simplicity 30 SIM Only	30 days	1200	unlimited	unlimited landline calls	£30.00	see deal
	O2 Simplicity 35 SIM Only	30 days	1200	unlimited	unlimited landline calls	£35.00	see deal
	O2 Simplicity 10 SIM Only	12 months	300	unlimited	unlimited landline calls	£10.00	see deal
	O2 Simplicity 15 SIM Only	12 months	600	unlimited	unlimited landline calls	£15.00	see deal
	O2 Simplicity 15 SIM Only	12 months	300	unlimited	unlimited landline calls	£15.00	see deal
	O2 Simplicity 15 SIM Only	12 months	900	unlimited	unlimited landline calls	£15.00	see deal
	O2 Simplicity 20 SIM Only	12 months	600	unlimited	unlimited landline calls	£20.00	see deal
	O2 Simplicity 25 SIM Only	12 months	1200	unlimited	unlimited landline calls	£25.00	see deal
	O2 Simplicity 25 SIM Only	30 days	900	unlimited	unlimited landline calls	£25.00	see deal
	O2 Simplicity 30 SIM Only	12 months	1200	unlimited	unlimited landline calls	£30.00	see deal
	SIM Only 10	30 days	100	100	unlimited landline calls	£10.00	see deal
	SIM Only 15	30 days	350	300	unlimited landline calls	£15.00	see deal
	SIM Only 20	30 days	600	500	unlimited landline calls	£20.00	see deal
	SIM Only 25	30 days	900	500	unlimited landline calls	£25.00	see deal
	SIM Only 15	12 months	600	500	unlimited landline calls	£15.00	see deal
	SIM Only 20	12 months	900	500	unlimited landline calls	£20.00	see deal
	SIM Only 25	12 months	1200	500	unlimited landline calls	£25.00	see deal
	£20 SIM Only	12 months	900	unlimited	unlimited landline calls	£20.00	see deal
	£25 SIM Only	12 months	1200	unlimited	unlimited landline calls	£25.00	see deal

Please note that some sim only unlimited landline call plans are subject to a fair use policy so be sure to check the small print of your contract.