Skip to Main Content
Costco US homepage
  • Photo
Type and press the down arrow to browse search suggestions
Call 833-428-1765 to purchase, activate or upgrade your phone using exclusive Costco member savings.

Shop our best deals on the latest phones.

iphone Duo

Apple

Introducing iPhone Duo. Yours for $1200 off.

A new way to iPhone meets America’s Best Network. Nothing due today. No trade. Nothing holding you back. When you bring your number to T-Mobile and add a new line on our Experience Beyond plan.

With up to 36 monthly bill credits when you trade in an eligible device in any condition on a qualifying plan. Plus taxes. Best Mobile Network: in the U.S. according to Ookla® Speedtest®. .

Apple iPhone 18 Pro in burgundy on a magenta background with a green ribbon.
T-Mix: 3 Picks

Apple

This holiday, choose iPhone 18 Pro On Us.

Get yours when you switch to T-Mobile and bring your number on a T-Mix plan. No trade-in required.

Use 3 picks. With 36 monthly bill credits when you switch to T-Mobile and add a new line on a qualifying T-Mix plan. Find out how. For well-qualified customers; plus taxes. .
The back and front of a silver Samsung Galaxy S26+ with Galaxy AI. Shown on a magenta background with a sprinkling of confetti.
T-Mix: 3 Picks

Samsung

Stack more merry with Galaxy S26+ On Us.

Get yours when you switch to T-Mobile and bring your number on a T-Mix plan. No trade-in required.

Use 3 picks. With 36 monthly bill credits when you add a line on a qualifying T-Mix plan. Find out how. For well-qualified customers; plus tax. .

Introducing T-Mix. Wake up to a new way to phone plan.

Hand holding a cell phone showing Sarah’s T-Mix phone plan on the screen. Sarah’s Make your Picks choices include Apple Music, Apple TV, Delta Air Lines, DoorDash, ESPN, Google Gemini, Hulu, T-Mobile, Pandora, Paramount, Starz, T-Mobile Satellite, Xbox, and YouTube Premium.

Pick and change what you want. It’s included in your T-Mix plan.

Only at T-Mobile, you can pick the benefits and devices you’ll actually use and decide what’s valuable to you. For the first time, make your plan truly yours.

Ask a Mobile Expert about T-Mobile’s T-Mix plans.
Smiling senior couple sit next to each other at a table. Woman talks on her cell phone. They have a laptop in front of them.

Exclusive savings for 55+.

Save on your monthly phone plan with 55+ Savings on T-Mix plans, plus take advantage of eligible Costco Digital Shop Card offers.

Ask a Mobile Expert about T-Mobile’s T-Mix plans.
Built At: 11/9/2026, 3:27:17 AM