Terms: This promotion credit does not apply to installation fees, UTOPIA/City fees, or hardware. SUMOFIBER referral program is intended for new SUMOFIBER customers only and will not apply retroactively to accounts. Referrals must choose Premium Data not Basic Data plans. New customers earn a credit of up to $48 when using promotion code: FREEBIE when signing up for new service. Limit of 3 referral credits per customer.