IDD 001 : Time period for Standard Rate and Economy Rate VIVIFI Help February 23, 2021 14:47 Updated Standard (7am to 6:59pm) Economy rates (7pm to 6:59am) Related articles Guide for IDD call charges VIVIFI SIM Self Collection (Free) (Service ceased since 15 Sept 2023) Current Promotions VIVIFI Plus plan from $9.08/mth (non contract) What is the billing cycle for VIVIFI mobile plans?