300 — Phone Switch

: Offers up to $300 per line for new customers who bring their own device and sign up for an Unlimited Max plan.

: Often requires visiting vzw.com/rebate and entering a specific promo code (e.g., 300CARTOFFER24 ) within 60 days of activation. How to Maximize the $300 Switching Bonus phone switch 300

: Verification of 90+ days in good standing with a prior postpaid carrier is required via Optimum's Rewards Loyalty site. : Offers up to $300 per line for

: Activate a new voice line and complete the port-in within 30 days. Promo Code : Use BYODREBATE on the T-Mobile Promotions page . : Activate a new voice line and complete

: If bringing your own phone, ensure it is fully paid off and unlocked by your current carrier before attempting to switch.

The keyword typically refers to promotional offers from major wireless carriers like T-Mobile , Verizon , and AT&T , where new customers receive a $300 rebate, credit, or gift card for switching their service and bringing their own device (BYOD) or trading in an old one . Top Current "Phone Switch 300" Offers (May 2026)