Voice Line Calculator
Account Details
ONE
Magenta
Magenta MAX
Go5G
Go5G Plus
Go5G Next
Experience More
Experience Beyond
Manual Override
9 Lines
10 Lines
11 Lines
12 Lines
Discount ID Value
Enter the value of a single credit ($15 - $75).
Price Increase
+$5/mo per line
AutoPay
Kickback Discount
$10/mo credit for usage under 2GB.
Eligible Lines (Lines 1–9)
1 Line
2 Lines
3 Lines
4 Lines
5 Lines
6 Lines
7 Lines
8 Lines
9 Lines
Insider Discount
None
OG Insider Discount
New TMO Insider Voice 20%
Other Insider
Base Plan (1–9 Lines)
Legacy Free Lines
T-Mobile ONE 4th Line Promo
This One's on Us (AAL)
Friends & Fam 2 Lines On Us
1
2
Additional Lines (10–12)
Leave blank for paid lines
+ Kickback
✕
+ Kickback
✕
+ Kickback
✕
⚙️
Advanced: Override specific ID Values
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