Check cellmapper.net this is the site I always go to ..... Secoond to opensignal.com to get "real device mapping"..... unfortunately both sites are only good as the "users" who have used their respective "apps" around your locale.....though. but through word of mouth the coverage mapping will get better. Source: about 1 year ago

I always tell people about opensignal.com as well as cellmapper.net if they are curious "which network is the best" - it can be complicated for some customers! So tread lightyly or you will end up in "tech support hell" with an 80 year old....lol. Source: over 2 years ago

Have you checkd cellmapper.net? or opensignal.com? Unfurtnately the service(s) are only as good as the people that have used the "apps" in that region though....I know when I switched from Virgin Mobile USA to metro years ago, and then to family mobile I used both sites to compare coverage, and it's kinda technical, but interesting....to check your home address, work address, etc.....it's definitely far more... Source: almost 3 years ago

Https://opensignal.com/ - Crowd based signal mapping. Useful for finding generalized signal strength by carrier based on location. Source: about 3 years ago

But I'd defintely play around with cellmapper.net and opensignal.com in your local area and see, but verizon is pretttty solid. Source: about 3 years ago

Never even thought of an on screen indicator, but I Just found this one that looks promising - https://cli.jonaskohl.de/. Source: 12 months ago