Best AT&T Mobility Deals & Sales for December 2025

Use promo code "ACTNOW" to get a free $50 reward card at AT&T Mobility. This coupon code is valid for a limited time only. Shop Now at AT&T Mobility

Shop Now at AT&T Mobility

Get gifts at AT&T Mobility for $5 or less. This deal ends January 16, 2026. Buy Now at AT&T Mobility

Prepaid plans at AT&T Mobility start as low as $20 per month. All AT&T Prepaid plans include AT&T ActiveArmormobile security and are eligible for a $0.99 eSIM or SIM card. This deal ends December 31, 2025. Buy Now at AT&T Mobility

Use promo code "FALL50" to get a free $50 reward card at AT&T Mobility when you order an AT&T Fiber plan. Availability may vary by address. Buy Now at AT&T Mobility

Use promo code "B2S20" to get 20% off cases, screens, and chargers at AT&T Mobility. Shop Now at AT&T Mobility

Save up to $1,800 off the Apple iPhone 17 Pro at AT&T Mobility with eligible trade-in. With trade-in of eligible device and unlimited plan, the iPhone 17 Pro is from $0 per month. Other exclusions may apply. This offer expires December 31, 2025. Shop Now at AT&T Mobility

Get up to $100 off Apple Watches at AT&T Mobility. This deal is valid for new and existing customers only. This offer expires January 1, 2026. Shop Now at AT&T Mobility

Save up to $1,100 off the Apple iPhone 17 Pro Max at AT&T Mobility with eligible trade-in. With trade-in of eligible device and unlimited plan, the iPhone 17 Pro Max is from $2.78 per month. Other exclusions may apply. This offer expires December 31, 2025. Buy Now at AT&T Mobility

Get up to $700 off the Apple iPhone 17 at AT&T Mobility with eligible trade-in. This deal expires December 31, 2025. Shop Now at AT&T Mobility

Use promo code "ACTNOW" to get a $50 reward card for free at AT&T Mobility. Buy Now at AT&T Mobility

Sign up for AT&T Fiber and get $150 AT&T Visa Reward Card. Plus, promo code "FALL100" takes an $100 off at checkout. Buy Now at AT&T Mobility

Use promo code "HOLIDAY150" to get up to $300 off AT&T Fiber Internet at AT&T Mobility. This coupon code expires December 31, 2026. Shop Now at AT&T Mobility

Use promo code "NEWYEAR50" to get $50 off your phone or internet plan at AT&T Mobility. This coupon code expires December 31, 2025. Shop Now at AT&T Mobility

Save up to $1,800 with the new iPhone 17 Pro with iPhone trade-in at AT&T Mobility. This offer is valid through December 31, 2025. Shop Now at AT&T Mobility

Get the AT&T Mobility Prepaid Unlimited Data, Talk, and Text Plan for $25 per month. This offer is valid through December 31, 2025. Buy Now at AT&T Mobility

When you purchase an AT&T prepaid plan through AT&T Mobility, you can get 5G smartphones as low as $19.99. No annual contract is required. This offer expires December 31, 2025. Buy Now at AT&T Mobility

Apply promo code "10401" to get a free gift with your next purchase at AT&T Mobility. This coupon code is valid for a limited time only. Shop Now at AT&T Mobility

Get 25% off your next AT&T Mobility purchase with promo code "TRADEOFFER25". This coupon code is valid for a limited time only. Shop Now at AT&T Mobility

Use promo code "SUMMER50" to get a free $50 reward card for new customers at AT&T Mobility. This offer is valid for a limited time only. Shop Now at AT&T Mobility

Apply promo code "FLASH50" to get $50 off phone and internet plans at AT&T Mobility. This offer is valid for a limited time only. Shop Now at AT&T Mobility

Use promo code "EXTRA50" to get a free $50 reward card with any eligible AT&T Fiber Internet purchase. Additional details and availability depends on location and your current plan. Buy Now at AT&T Mobility