Tool

Prison phone calculator

Landline versus mobile, on the current tariff.

Minutes per call

Calls per week

Share of minutes at weekend (%)

Landline / week

£1.79

Mobile / week

£3.65

Weekday landline 2.48p · mobile 5.5p. Weekend landline 2.2p · mobile 3.6p. 10p minimum per connected call. Last checked September 2026. Tariff until 31 May 2027.

ringyard

Twice the calls. Half the price.

No app. Not a redirect. Unlimited calls.

See how it works

prisoncheck

Here’s how we calculated it

Rates are the public HMPPS estate figures confirmed by the Ministry of Justice. Private prisons usually match; Scotland and Northern Ireland are different systems.