Legal disclaimer: With monthly bill credits. Plus taxes & fees for some plans (e.g. Essentials, Business Unlimited 6+ lines); monthly Regulatory Programs (RPF) & Telco Recovery Fee (TRF) totaling $3.18 per voice line ($0.60 for RPF & $2.58 for TRF) applies; taxes/fees approx. 4-38% of bill. Limited-time offer; subject to change. For existing accounts with 2 to 10 voice lines. Qualifying credit and regular rate Magenta, MAX, Essentials, ONE, or Business Unlimited plan required. If you have cancelled lines in past 90 days, you may need to reactivate them first. Credits may take up to 2 bill cycles; credits will stop if you cancel any voice lines. Limit 1/account. May not be combinable with some offers or discounts.