If you, or the other people with 10+ lines, don’t mind me asking, what do you use the lines for? I suppose it’s possible you’ve got a large family, but you might also be paying for your in-laws’ phones on top of that. (A family of four + two sets of two parents = 8 lines right there.) Or maybe you need two lines, one for a work phone and one for your phone. I just find it fascinating that someone would have so many lines.
But stuff like this is why I’m glad I always go with unlocked phones and prepaid plans. And it gives me a reason not to go with T-Mobile (even though they’re currently the only mmWave provider in my neighborhood).
We (the family) have Simple Choice.
Line 1: My primary line, voice, unlimited data.
Line 2: Wife's primary line, voice, unlimited data.
Line 3: My iPad, data, 5GB data match.
Line 4: Wife's iPad, data, 5GB data match.
-- Lines 3 and 4 were originally 1GB data lines for tablets when we were with Sprint. T-Mobile gave us more data for these lines because I was porting 4 lines to them in 2015.
Line 5: Son's primary (and only line), voice, unlimited data (originally a 2GB line, upgraded to a 6GB line). T-Mob converted it to unlimited data in 2022.
Line 6: SyncUp Drive, data, 6GB with Data Stash. Free line.
-- SyncUp Drive is an in-car device that plugs in to the OBD port. It gives you vehicle tracking, vehicle health status and in-car WiFi. I got it so my son didn't blow through all his data whenever he was in the car. I get 6GB of data and then there is 20GB in my Data Stash. Data Stash is any unused data per month. It gets 'stashed' and you can use that rollover data whenever you exceed the data cap. This line is free.
Line 7: Daughter's primary (and only line), voice, unlimited data (originally a 2GB line). T-Mob converted it to unlimited data in 2022.
Line 8: My secondary line, voice, unlimited data. Originally a 2GB line, converted by T-Mob to unlimited data in 2022. I wanted a secondary line because I had managed to get my old Sprint iPhone 5 unlocked and I wanted to use it.
Line 9: SyncUP Drive, data, 6GB with Data Stash. For the second car. Same original purpose.
Line 10: Wife's secondary line, voice, unlimited data. Wife wanted this line so she could use her other phone (Pixel 3a XL) as a work line. She's a teacher and doesn't want parents having access to her primary phone number.
So, that's what all our lines are used for…