Reception areas on trail?

I know it’s mostly nothing, but I’ll be solo and would like to send out “I’m ok” texts to family whenever possible. I have Verizon, and will be going Happy Isles to Whitney Portal.

I’ve read about these:

-Tuolomne Meadows, near the store

-Somewhere on Donahue Pass

-Around Mammoth on trail

-Reds Meadow

-Red Cones area

-VVR (pay for internet)

-Muir Trail Ranch (pay for internet)

-Top of Kearsarge Pass (resupply in Independence)

-Somewhere on Whitney Summit, or the windows between Trail Crest and Summit

Can anyone add to this list, or confirm/deny the above?

Thank you!!