I'm trying to add a line to my plan. On the preview it says it'll be an(04)

I'm trying to add a line to my plan. On the preview it says it'll be an(04)


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How to add a line to Metro by TMobile Android Central Add Line Tmobile How to add line to Tmobile Connect Online Account? r/tmobile Is there a way to add another TMobile One line or am I stuck with 8 I'm trying to add a line to my plan. On the preview it says it'll be an Can I Remove the Paid AddaLine and Keep My Discounts and Line on Us Add Line Tmobile Not able to see add line option? go5gplus plan? r/tmobile