They can search the mobile app store for “City Tele-Coin” to download our app. Have them visit us online at alcaserv.us to register their existing. CityTeleCoin. CityTeleCoin charges about $ per minute call from the jail. We can save you $ per phone call with an InmateAid phone number. Log into City Telecoin in a single click. No need to wander Last Pinged. City Tele Coin | Unlimited Cheap Jail Calls | Save Up To 80%.