The cost T-Mobile charges for adding a line to an existing account varies based on your specific plan type and whether it's the first additional line or a subsequent one. These costs are typically charged monthly.
T-Mobile Line Addition Costs Overview
When you expand your T-Mobile service, the price per added line depends on your chosen plan, such as Essentials or Magenta®, and the total number of lines you will have on your account. It's important to understand the distinction between adding the first additional line (which would make it the second line on your account if you started with one) and adding subsequent lines (e.g., the third, fourth, or fifth line).
Here’s a breakdown of the monthly charges for adding a line:
| Plan Type | Line Addition Scenario | Monthly Cost | Notes |
|---|---|---|---|
| Essentials | Add a line (e.g., 2nd line) | +$30/line/mo. | Plus applicable taxes & fees. Maximum 6 lines for Essentials plans. |
| Additional lines (3-6) | +$15/line/mo. | Plus applicable taxes & fees. | |
| Magenta® | Add a line (e.g., 2nd line) | +$50/line/mo. | Taxes & fees included. Up to 12 lines on Magenta® plans. |
| Additional lines (3-8) | +$20/line/mo. | Taxes & fees included. |
Key Considerations for Adding a Line:
- Plan Type Matters: The cost structure for adding lines differs between Essentials and Magenta® plans. Magenta® plans generally include taxes and fees in the quoted price for added lines, providing a more predictable total. Essentials plans, however, bill taxes and fees separately on top of the listed line cost.
- Sequential Costing: The per-line cost for adding a line typically decreases after the very first additional line. For example, adding the second line to your account (making it the third line total) will be less expensive than adding the first additional line (making it the second line total).
- Line Limits: T-Mobile plans have specific maximum line capacities. Essentials plans can support up to 6 lines, while Magenta® plans offer the flexibility to accommodate up to 12 lines.
- Purpose of the Line: These listed costs apply regardless of whether you are adding a line for another person to join your plan or for an additional device (like a smartwatch or tablet) to use on your existing T-Mobile account.
For more detailed information on adding lines and managing your T-Mobile account, you can visit the official T-Mobile Add a Line page.
